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CVE-2026-49446

Cosmos: Authentication bypass via forward-auth header smuggling on Constellation tunnel in Cosmos-Server

6.1 MediumFix available

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Prior to 0.22.19, tokenMiddleware in src/proxy/routerGen.go can return through the Constellation tunnel bypass before removing x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers and before invoking AdminOnlyWithRedirect. An attacker with a valid x-cstln-auth API key for an enrolled device who reaches Cosmos through the Constellation Nebula tunnel can supply a chosen x-cosmos-user value to a route with AuthEnabled enabled when the upstream application trusts that forward-auth header. The request can bypass Cosmos JWT, password, MFA, and AdminOnly checks, allowing user impersonation and admin-tier reads or writes exposed by the proxied application. This issue is fixed in version 0.22.19.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.30%Unchanged since Sep 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.1

Cosmos: Authentication bypass via forward-auth header smuggling on Constellation tunnel in Cosmos-Server

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Prior to 0.22.19, tokenMiddleware in src/proxy/routerGen.go can return through the Constellation tunnel bypass before removing x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers and before invoking AdminOnlyWithRedirect. An attacker with a valid x-cstln-auth API key for an enrolled device who reaches Cosmos through the Constellation Nebula tunnel can supply a chosen x-cosmos-user value to a route with AuthEnabled enabled when the upstream application trusts that forward-auth header. The request can bypass Cosmos JWT, password, MFA, and AdminOnly checks, allowing user impersonation and admin-tier reads or writes exposed by the proxied application. This issue is fixed in version 0.22.19.

Record
CVE-2026-49446
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-285, CWE-290
Updated
2026-11-02
EUVDEUVD-2026-78588 6.1

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Prior to 0.22.19, tokenMiddleware in src/proxy/routerGen.go can return through the Constellation tunnel bypass before removing x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers and before invoking AdminOnlyWithRedirect. An attacker with a valid x-cstln-auth API key for an enrolled device who reaches Cosmos through the Constellation Nebula tunnel can supply a chosen x-cosmos-user value to a route with AuthEnabled enabled when the upstream application trusts that forward-auth header. The request can bypass Cosmos JWT, password, MFA, and AdminOnly checks, allowing user impersonation and admin-tier reads or writes exposed by the proxied application. This issue is fixed in version 0.22.19.

Record
EUVD-2026-78588
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-2rx5-2g7j-2659 6.1

Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel

Summary

The Constellation-tunnel bypass branch in tokenMiddleware at src/proxy/routerGen.go:53-66 returns to the upstream handler before the request's x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers are stripped at lines 68-72, and before the AdminOnlyWithRedirect gate at lines 109-117 runs. Any holder of a valid Constellation device API key sends x-cosmos-user: admin to a proxied backend; the documented forward-auth integration treats the caller as admin with no JWT cookie, password, or MFA.

Preconditions

  • Cosmos is deployed with Constellation enabled and at least one device enrolled.
  • Attacker holds a valid x-cstln-auth API key for an enrolled device.
  • Attacker reaches Cosmos over the Constellation Nebula tunnel.
  • Target proxy route has AuthEnabled=true; upstream trusts the x-cosmos-user forward-auth header.

Details

// src/proxy/routerGen.go:46-122 - bypass returns before headers are reset
func tokenMiddleware(route utils.ProxyRouteConfig) func(next http.Handler) http.Handler {
    return func(next http.Handler) http.Handler {
        return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
            enabled := route.AuthEnabled
            adminOnly := route.AdminOnly

            // bypass auth if from Constellation tunnel
            if ((enabled && r.Header.Get("x-cosmos-user") != "") || !enabled) {  // attacker-set header opens the branch
                remoteAddr, _ := utils.SplitIP(r.RemoteAddr)
                isConstIP := constellation.IsConstellationIP(remoteAddr)
                isConstTokenValid := constellation.CheckConstellationToken(r) == nil

                if isConstIP && isConstTokenValid {
                    utils.Debug("Bypassing auth for Constellation tunnel")
                    r.Header.Del("x-cstln-auth")
                    next.ServeHTTP(w, r)  // forwards x-cosmos-user as set by attacker
                    return
                }
            }

            r.Header.Del("x-cosmos-user")    // only runs on the fall-through path
            r.Header.Del("x-cosmos-role")
            r.Header.Del("x-cosmos-user-role")
            r.Header.Del("x-cosmos-mfa")
            r.Header.Del("x-cstln-auth")
            // ... JWT path runs here ...

            if enabled && adminOnly {
                if errT := AdminOnlyWithRedirect(w, r, route); errT != nil {  // also skipped by bypass
                    return
                }
            }
            next.ServeHTTP(w, r)
        })
    }
}

The branch was written for tunneled-cluster traffic where an upstream Cosmos instance has already authenticated the user and signed the x-cosmos-user header itself. The branch condition reads the header before the strip block runs at lines 68-72, so any client can open the branch by sending the header. The Constellation IP and API-key checks then gate progression, but a Constellation device holder satisfies both: the API key was issued by the admin when the device was enrolled, and the tunnel terminates with the device's Constellation IP as the TCP source. Once the branch is taken, the original x-cosmos-user value flows to the backend untouched, and AdminOnlyWithRedirect is never invoked. Backends configured per Cosmos's documented forward-auth integration (the standard pattern for "Cosmos in front of an app that reads identity from a header") treat the attacker's chosen string as the authenticated identity.

The Constellation network is sold as a way for an operator to invite family and friends without exposing ports. Those invited members hold device API keys but are not Cosmos administrators - the trust boundary this bug crosses is exactly the "invited member -> admin role on a proxied app" line.

Proof of concept

Environment used to reproduce:

  • Version: master branch, audited 2026-05-13 (module github.com/azukaar/cosmos-server)
  • Deployment: docker run azukaar/cosmos-server:latest (or the…
Record
GHSA-2rx5-2g7j-2659
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-285, CWE-290
Updated
2026-11-02
NVD 6.1

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Prior to 0.22.19, tokenMiddleware in src/proxy/routerGen.go can return through the Constellation tunnel bypass before removing x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers and before invoking AdminOnlyWithRedirect. An attacker with a valid x-cstln-auth API key for an enrolled device who reaches Cosmos through the Constellation Nebula tunnel can supply a chosen x-cosmos-user value to a route with AuthEnabled enabled when the upstream application trusts that forward-auth header. The request can bypass Cosmos JWT, password, MFA, and AdminOnly checks, allowing user impersonation and admin-tier reads or writes exposed by the proxied application. This issue is fixed in version 0.22.19.

Record
CVE-2026-49446
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-285, CWE-290
Updated
2026-11-02
OSV 6.1

Cosmos: Authentication bypass via forward-auth header smuggling on Constellation tunnel in Cosmos-Server

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Prior to 0.22.19, tokenMiddleware in src/proxy/routerGen.go can return through the Constellation tunnel bypass before removing x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers and before invoking AdminOnlyWithRedirect. An attacker with a valid x-cstln-auth API key for an enrolled device who reaches Cosmos through the Constellation Nebula tunnel can supply a chosen x-cosmos-user value to a route with AuthEnabled enabled when the upstream application trusts that forward-auth header. The request can bypass Cosmos JWT, password, MFA, and AdminOnly checks, allowing user impersonation and admin-tier reads or writes exposed by the proxied application. This issue is fixed in version 0.22.19.

Record
CVE-2026-49446
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-285, CWE-290
Updated
2026-11-02
OSVGHSA-2rx5-2g7j-2659 6.1

Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel

Summary

The Constellation-tunnel bypass branch in tokenMiddleware at src/proxy/routerGen.go:53-66 returns to the upstream handler before the request's x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers are stripped at lines 68-72, and before the AdminOnlyWithRedirect gate at lines 109-117 runs. Any holder of a valid Constellation device API key sends x-cosmos-user: admin to a proxied backend; the documented forward-auth integration treats the caller as admin with no JWT cookie, password, or MFA.

Preconditions

  • Cosmos is deployed with Constellation enabled and at least one device enrolled.
  • Attacker holds a valid x-cstln-auth API key for an enrolled device.
  • Attacker reaches Cosmos over the Constellation Nebula tunnel.
  • Target proxy route has AuthEnabled=true; upstream trusts the x-cosmos-user forward-auth header.

Details

// src/proxy/routerGen.go:46-122 - bypass returns before headers are reset
func tokenMiddleware(route utils.ProxyRouteConfig) func(next http.Handler) http.Handler {
    return func(next http.Handler) http.Handler {
        return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
            enabled := route.AuthEnabled
            adminOnly := route.AdminOnly

            // bypass auth if from Constellation tunnel
            if ((enabled && r.Header.Get("x-cosmos-user") != "") || !enabled) {  // attacker-set header opens the branch
                remoteAddr, _ := utils.SplitIP(r.RemoteAddr)
                isConstIP := constellation.IsConstellationIP(remoteAddr)
                isConstTokenValid := constellation.CheckConstellationToken(r) == nil

                if isConstIP && isConstTokenValid {
                    utils.Debug("Bypassing auth for Constellation tunnel")
                    r.Header.Del("x-cstln-auth")
                    next.ServeHTTP(w, r)  // forwards x-cosmos-user as set by attacker
                    return
                }
            }

            r.Header.Del("x-cosmos-user")    // only runs on the fall-through path
            r.Header.Del("x-cosmos-role")
            r.Header.Del("x-cosmos-user-role")
            r.Header.Del("x-cosmos-mfa")
            r.Header.Del("x-cstln-auth")
            // ... JWT path runs here ...

            if enabled && adminOnly {
                if errT := AdminOnlyWithRedirect(w, r, route); errT != nil {  // also skipped by bypass
                    return
                }
            }
            next.ServeHTTP(w, r)
        })
    }
}

The branch was written for tunneled-cluster traffic where an upstream Cosmos instance has already authenticated the user and signed the x-cosmos-user header itself. The branch condition reads the header before the strip block runs at lines 68-72, so any client can open the branch by sending the header. The Constellation IP and API-key checks then gate progression, but a Constellation device holder satisfies both: the API key was issued by the admin when the device was enrolled, and the tunnel terminates with the device's Constellation IP as the TCP source. Once the branch is taken, the original x-cosmos-user value flows to the backend untouched, and AdminOnlyWithRedirect is never invoked. Backends configured per Cosmos's documented forward-auth integration (the standard pattern for "Cosmos in front of an app that reads identity from a header") treat the attacker's chosen string as the authenticated identity.

The Constellation network is sold as a way for an operator to invite family and friends without exposing ports. Those invited members hold device API keys but are not Cosmos administrators - the trust boundary this bug crosses is exactly the "invited member -> admin role on a proxied app" line.

Proof of concept

Environment used to reproduce:

  • Version: master branch, audited 2026-05-13 (module github.com/azukaar/cosmos-server)
  • Deployment: docker run azukaar/cosmos-server:latest (or the…
Record
GHSA-2rx5-2g7j-2659
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-285, CWE-290
Updated
2026-11-02
OSVGO-2026-6123 No score

Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel in github.com/azukaar/cosmos-server

Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel in github.com/azukaar/cosmos-server

Record
GO-2026-6123
Updated
2026-11-02
OSVopenSUSE-SU-2026:21761-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260827T195228 2026-08-27T19:52:28Z (jsc#PED-11136).

    Go CVE Numbering Authority IDs added or updated with aliases:

    • GO-2026-5026 CVE-2026-39821
    • GO-2026-6225
    • GO-2026-6250 CVE-2026-63328 GHSA-8rc5-4fr6-64pw
    • GO-2026-6253 CVE-2026-17106 GHSA-hfg8-hc9c-6c3h
    • GO-2026-6254 CVE-2026-53941 GHSA-vjhx-2cqw-3q6q
    • GO-2026-6255 CVE-2026-61711 GHSA-7236-3392-c5c6
    • GO-2026-6256 CVE-2026-61712 GHSA-72x6-4j93-7w86
    • GO-2026-6258 CVE-2026-45404 GHSA-42cj-99w8-cp2p
    • GO-2026-6259 CVE-2026-32637 GHSA-j2g6-362q-6qc6
    • GO-2026-6260 CVE-2026-55149 GHSA-qqff-5854-px68
    • GO-2026-6261 CVE-2026-54061 GHSA-rrwh-6jrq-wp5v
    • GO-2026-6262 GHSA-22w5-2fxg-vrwx
    • GO-2026-6263 CVE-2026-54168 GHSA-6f2p-296r-cc28
    • GO-2026-6264 CVE-2026-54245 GHSA-7q96-f8xw-jv5j
    • GO-2026-6265 GHSA-8fxq-53rx-ph5f
    • GO-2026-6266 CVE-2026-54167 GHSA-f5f4-3hh4-f54m
    • GO-2026-6267 GHSA-h58c-xccx-75m3
    • GO-2026-6268 GHSA-q9c5-pp7m-fm2g
    • GO-2026-6269 GHSA-rxhg-vcww-2mpw
    • GO-2026-6270 CVE-2026-54162 GHSA-x3g7-qrwc-f6c5
    • GO-2026-6271 CVE-2026-67448 GHSA-8r62-w5wh-fc5m
    • GO-2026-6272 CVE-2026-67447 GHSA-r553-m4fv-5v97
    • GO-2026-6273 CVE-2026-64679 GHSA-26w5-6g95-gj28
    • GO-2026-6274 CVE-2026-76905 GHSA-mmfr-pmjx-hw9w
    • GO-2026-6275 CVE-2026-77354 GHSA-xhj3-7xw9-vr34
    • GO-2026-6277 GHSA-4ph6-mjv7-3fq6
    • GO-2026-6278 GHSA-w67g-5rqw-f597
    • GO-2026-6279 CVE-2026-6046 GHSA-3vmp-whvv-5v9v
    • GO-2026-6280 CVE-2026-7387 GHSA-6hxm-w4hv-vgvw
    • GO-2026-6281 CVE-2026-6961 GHSA-8qq9-cqj8-82w4
    • GO-2026-6282 CVE-2026-7184 GHSA-9p44-r552-4wp9
    • GO-2026-6283 CVE-2026-6689 GHSA-c28q-m4gf-vg4q
    • GO-2026-6284 CVE-2026-55477 GHSA-jm48-m3rr-9hgg
    • GO-2026-6285 CVE-2026-6739 GHSA-m2w9-h2mm-79qr
    • GO-2026-6286 CVE-2026-3433 GHSA-rp4v-qc77-phm4
    • GO-2026-6287 GHSA-vx2m-jpxr-xv7w
    • GO-2026-6288 CVE-2026-11624 GHSA-76g7-m3xw-x9gr
    • GO-2026-6289 GHSA-w8j7-39hp-8x59
    • GO-2026-6290 CVE-2026-55581 GHSA-3x77-wg38-92r3
    • GO-2026-6291 CVE-2026-55582 GHSA-74hp-mggr-hv58
    • GO-2026-6292 CVE-2026-55580 GHSA-f5pj-2738-996m
    • GO-2026-6293 CVE-2026-55677 GHSA-vfp3-v2gw-7wfq
    • GO-2026-6294 CVE-2026-55092 GHSA-mcj4-mphf-j9ff
    • GO-2026-6295 CVE-2026-55637 GHSA-cmwv-wf9p-p8wx
    • GO-2026-6296 CVE-2026-54523 GHSA-79gf-7frw-68m9
    • GO-2026-6297 CVE-2026-50879 GHSA-g743-m6x3-v6wm
    • GO-2026-6298 CVE-2026-54563 GHSA-w5fv-7x5q-g8qp
    • GO-2026-6299 CVE-2026-50884 GHSA-5442-mh7f-72px
    • GO-2026-6300 CVE-2026-50891 GHSA-rcqf-cpv9-g5jf
    • GO-2026-6301 CVE-2026-42350 GHSA-g7gw-m874-7rmf

  • Update to version 0.0.20260819T170606 2026-08-19T17:06:06Z.

    Go CVE Numbering Authority IDs added or updated with aliases:

    • GO-2026-4720 GHSA-v3mg-9v85-fcm7
    • GO-2026-4942 CVE-2026-35172 GHSA-f2g3-hh2r-cwgc
    • GO-2026-4950
    • GO-2026-6093 GHSA-464c-974j-9xm6
    • GO-2026-6094 GHSA-gcjh-h69q-9w9g
    • GO-2026-6095 GHSA-r277-6w6q-xmqw
    • GO-2026-6097 CVE-2026-55495 GHSA-49h3-cwhj-4737
    • GO-2026-6098 CVE-2026-55496 GHSA-8r7f-r8hj-r3rv
    • GO-2026-6099 CVE-2026-57497 GHSA-g35j-m5xg-vh3q
    • GO-2026-6100 CVE-2026-55497 GHSA-g9j2-8w95-3vwv
    • GO-2026-6101 CVE-2026-55502 GHSA-hq88-5x99-x3gf
    • GO-2026-6102 CVE-2026-55499 GHSA-w8x7-h2px-xmq8
    • GO-2026-6103 CVE-2026-73564 GHSA-26gq-p25f-99cp
    • GO-2026-6104 CVE-2026-62323 GHSA-c3jm-gv5r-9wcp
    • GO-2026-6105 GHSA-c534-2w9c-x7fm
    • GO-2026-6106 GHSA-v6w6-358x-2433
    • GO-2026-6107 CVE-2026-73500 GHSA-6vch-q96h-7gc3
    • GO-2026-6108 CVE-2026-73505 GHSA-6xj8-qv9j-xcjq
    • GO-2026-6109 GHSA-86cx-wwf4-phq4
    • GO-2026-6110 CVE-2026-73509 GHSA-95cv-r8x4-vh75
    • GO-2026-6111 CVE-2026-73506 GHSA-fwjx-9p69-h25h
    • GO-2026-6112 CVE-2026-73502 GHSA-jpcw-4wr7-c3vq
    • GO-2026-6113 GHSA-p6ph-3jx2-3337
    • GO-2026-6114 CVE-2026-73499 GHSA-xg4h-6gfc-h4m8
    • GO-2026-6115 CVE-2026-56867
    • GO-2026-6117 GHSA-hp74-gm6m-2qm5
    • GO-2026-6118 CVE-2026-47427 GHSA-w4q6-qw23-4rg7
    • GO-2026-6119 CVE-2026-43983…
Record
openSUSE-SU-2026:21761-1
Updated
2026-11-02
OSVSUSE-SU-2026:23625-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260827T195228 2026-08-27T19:52:28Z (jsc#PED-11136).

    Go CVE Numbering Authority IDs added or updated with aliases:

    • GO-2026-5026 CVE-2026-39821
    • GO-2026-6225
    • GO-2026-6250 CVE-2026-63328 GHSA-8rc5-4fr6-64pw
    • GO-2026-6253 CVE-2026-17106 GHSA-hfg8-hc9c-6c3h
    • GO-2026-6254 CVE-2026-53941 GHSA-vjhx-2cqw-3q6q
    • GO-2026-6255 CVE-2026-61711 GHSA-7236-3392-c5c6
    • GO-2026-6256 CVE-2026-61712 GHSA-72x6-4j93-7w86
    • GO-2026-6258 CVE-2026-45404 GHSA-42cj-99w8-cp2p
    • GO-2026-6259 CVE-2026-32637 GHSA-j2g6-362q-6qc6
    • GO-2026-6260 CVE-2026-55149 GHSA-qqff-5854-px68
    • GO-2026-6261 CVE-2026-54061 GHSA-rrwh-6jrq-wp5v
    • GO-2026-6262 GHSA-22w5-2fxg-vrwx
    • GO-2026-6263 CVE-2026-54168 GHSA-6f2p-296r-cc28
    • GO-2026-6264 CVE-2026-54245 GHSA-7q96-f8xw-jv5j
    • GO-2026-6265 GHSA-8fxq-53rx-ph5f
    • GO-2026-6266 CVE-2026-54167 GHSA-f5f4-3hh4-f54m
    • GO-2026-6267 GHSA-h58c-xccx-75m3
    • GO-2026-6268 GHSA-q9c5-pp7m-fm2g
    • GO-2026-6269 GHSA-rxhg-vcww-2mpw
    • GO-2026-6270 CVE-2026-54162 GHSA-x3g7-qrwc-f6c5
    • GO-2026-6271 CVE-2026-67448 GHSA-8r62-w5wh-fc5m
    • GO-2026-6272 CVE-2026-67447 GHSA-r553-m4fv-5v97
    • GO-2026-6273 CVE-2026-64679 GHSA-26w5-6g95-gj28
    • GO-2026-6274 CVE-2026-76905 GHSA-mmfr-pmjx-hw9w
    • GO-2026-6275 CVE-2026-77354 GHSA-xhj3-7xw9-vr34
    • GO-2026-6277 GHSA-4ph6-mjv7-3fq6
    • GO-2026-6278 GHSA-w67g-5rqw-f597
    • GO-2026-6279 CVE-2026-6046 GHSA-3vmp-whvv-5v9v
    • GO-2026-6280 CVE-2026-7387 GHSA-6hxm-w4hv-vgvw
    • GO-2026-6281 CVE-2026-6961 GHSA-8qq9-cqj8-82w4
    • GO-2026-6282 CVE-2026-7184 GHSA-9p44-r552-4wp9
    • GO-2026-6283 CVE-2026-6689 GHSA-c28q-m4gf-vg4q
    • GO-2026-6284 CVE-2026-55477 GHSA-jm48-m3rr-9hgg
    • GO-2026-6285 CVE-2026-6739 GHSA-m2w9-h2mm-79qr
    • GO-2026-6286 CVE-2026-3433 GHSA-rp4v-qc77-phm4
    • GO-2026-6287 GHSA-vx2m-jpxr-xv7w
    • GO-2026-6288 CVE-2026-11624 GHSA-76g7-m3xw-x9gr
    • GO-2026-6289 GHSA-w8j7-39hp-8x59
    • GO-2026-6290 CVE-2026-55581 GHSA-3x77-wg38-92r3
    • GO-2026-6291 CVE-2026-55582 GHSA-74hp-mggr-hv58
    • GO-2026-6292 CVE-2026-55580 GHSA-f5pj-2738-996m
    • GO-2026-6293 CVE-2026-55677 GHSA-vfp3-v2gw-7wfq
    • GO-2026-6294 CVE-2026-55092 GHSA-mcj4-mphf-j9ff
    • GO-2026-6295 CVE-2026-55637 GHSA-cmwv-wf9p-p8wx
    • GO-2026-6296 CVE-2026-54523 GHSA-79gf-7frw-68m9
    • GO-2026-6297 CVE-2026-50879 GHSA-g743-m6x3-v6wm
    • GO-2026-6298 CVE-2026-54563 GHSA-w5fv-7x5q-g8qp
    • GO-2026-6299 CVE-2026-50884 GHSA-5442-mh7f-72px
    • GO-2026-6300 CVE-2026-50891 GHSA-rcqf-cpv9-g5jf
    • GO-2026-6301 CVE-2026-42350 GHSA-g7gw-m874-7rmf

  • Update to version 0.0.20260819T170606 2026-08-19T17:06:06Z.

    Go CVE Numbering Authority IDs added or updated with aliases:

    • GO-2026-4720 GHSA-v3mg-9v85-fcm7
    • GO-2026-4942 CVE-2026-35172 GHSA-f2g3-hh2r-cwgc
    • GO-2026-4950
    • GO-2026-6093 GHSA-464c-974j-9xm6
    • GO-2026-6094 GHSA-gcjh-h69q-9w9g
    • GO-2026-6095 GHSA-r277-6w6q-xmqw
    • GO-2026-6097 CVE-2026-55495 GHSA-49h3-cwhj-4737
    • GO-2026-6098 CVE-2026-55496 GHSA-8r7f-r8hj-r3rv
    • GO-2026-6099 CVE-2026-57497 GHSA-g35j-m5xg-vh3q
    • GO-2026-6100 CVE-2026-55497 GHSA-g9j2-8w95-3vwv
    • GO-2026-6101 CVE-2026-55502 GHSA-hq88-5x99-x3gf
    • GO-2026-6102 CVE-2026-55499 GHSA-w8x7-h2px-xmq8
    • GO-2026-6103 CVE-2026-73564 GHSA-26gq-p25f-99cp
    • GO-2026-6104 CVE-2026-62323 GHSA-c3jm-gv5r-9wcp
    • GO-2026-6105 GHSA-c534-2w9c-x7fm
    • GO-2026-6106 GHSA-v6w6-358x-2433
    • GO-2026-6107 CVE-2026-73500 GHSA-6vch-q96h-7gc3
    • GO-2026-6108 CVE-2026-73505 GHSA-6xj8-qv9j-xcjq
    • GO-2026-6109 GHSA-86cx-wwf4-phq4
    • GO-2026-6110 CVE-2026-73509 GHSA-95cv-r8x4-vh75
    • GO-2026-6111 CVE-2026-73506 GHSA-fwjx-9p69-h25h
    • GO-2026-6112 CVE-2026-73502 GHSA-jpcw-4wr7-c3vq
    • GO-2026-6113 GHSA-p6ph-3jx2-3337
    • GO-2026-6114 CVE-2026-73499 GHSA-xg4h-6gfc-h4m8
    • GO-2026-6115 CVE-2026-56867
    • GO-2026-6117 GHSA-hp74-gm6m-2qm5
    • GO-2026-6118 CVE-2026-47427 GHSA-w4q6-qw23-4rg7
    • GO-2026-6119 CVE-2026-43983…
Record
SUSE-SU-2026:23625-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/azukaar/cosmos-server
Go
 through 0.22.18
0.22.19
github.com/azukaar/cosmos-server
Go
 before 0.22.19
0.22.19
govulncheck-vulndb
SUSE:Linux Enterprise Server 16.0
From an advisory covering 181 CVEs
 before 0.0.20260827T195228-160000.1.1
0.0.20260827T195228-160000.1.1
govulncheck-vulndb
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 181 CVEs
 before 0.0.20260827T195228-160000.1.1
0.0.20260827T195228-160000.1.1
govulncheck-vulndb
openSUSE:Leap 16.0
From an advisory covering 181 CVEs
 before 0.0.20260827T195228-160000.1.1
0.0.20260827T195228-160000.1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-49446 is a medium vulnerability (CVSS 6.1) in Azukaar Cosmos-server, published July 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in github.com/azukaar/cosmos-server 0.22.19.

References

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Left out here: the rest of 4 source descriptions. The JSON record has them.

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