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CVE-2026-58444

Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents

4.3 MediumFix available

Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.36%Up 0.2 points since Aug 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.3

Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents

Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents

Record
CVE-2026-58444
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-863
Updated
2026-11-02
EUVDEUVD-2026-58171 4.3

Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents

Record
EUVD-2026-58171
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-cp3q-vrj2-ghhh 4.3

Gitea: Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents

Summary

A personal access token (PAT) or OAuth2 token that does not carry the repository scope or that is public-only is correctly rejected (HTTP 403) by the recently hardened web content routes (archive download, raw/media file download, and repository RSS/Atom feeds). However, the repository home page route GET /{owner}/{repo} (handler repo.Home) serves the private repository's rendered README, root file/directory tree, description, language statistics, license, and latest-release information to that same token.

This is a token-scope enforcement bypass and private-repository content disclosure. It is the same source→sink pattern already fixed for neighbouring routes in:

  • GHSA-cr4g-f395-h25h (CVE-2026-20706) token scope bypass on web archive download
  • GHSA-3pww-vcvm-3gmj (CVE-2026-27761) token scope bypass on repository RSS/Atom feeds

repo.Home is the remaining token-auth-enabled content route that was not given the guard.

Details / Root cause

Web routes accept token authentication only when explicitly opted in with webAuth.AllowBasic / webAuth.AllowOAuth2. The repository home route carries AllowBasic (added so that go get can resolve private modules):

// routers/web/web.go:1256
m.Get("/{username}/{reponame}", optSignIn, webAuth.AllowBasic,
      context.RepoAssignment, context.RepoRefByType(git.RefTypeBranch),
      repo.SetEditorconfigIfExists, repo.Home)

When a PAT/OAuth2 token is supplied via HTTP Basic auth, services/auth/basic.go sets IsApiToken = true and records ApiTokenScope:

// services/auth/basic.go
store.GetData()["IsApiToken"] = true
store.GetData()["ApiTokenScope"] = token.Scope

The patched sibling handlers all call the web-side scope guard context.CheckRepoScopedToken(...), which enforces both the public-only restriction and the repository scope:

routers/web/repo/download.go:23     (raw / media / archive)  ← GHSA-cr4g
routers/web/feed/render.go:15       (all repo feeds)         ← GHSA-3pww
routers/web/repo/attachment.go:190  (attachments / release assets, centralized)
routers/web/repo/githttp.go:161     (git smart HTTP)         ← GHSA-cc8w

repo.Home (routers/web/repo/view_home.go:389) performs no such check. Its only gate is checkHomeCodeViewable, which verifies the user's permission and that the code unit is enabled neither of which constrains the token's scope. The README, file listing, and sidebar are then rendered. (The handleRepoHomeFeed sub-path is guarded via ShowRepoFeed, but the HTML repo view is not.)

Proof of Concept

Reproduced against gitea/gitea:main-nightly (build g2e1be0b114, identical to the source commit above). A private repository admin/secretrepo is created, and a token is minted with only the read:user scope (no repository scope).

=== anonymous baseline (repository is private) ===
  anon GET /admin/secretrepo                       HTTP=404
=== same no-repo-scope token across routes ===
  API repo get (proves token lacks repo scope)     HTTP=403 canary=0
  /admin/secretrepo/archive/main.zip  (control)    HTTP=403 canary=0
  /admin/secretrepo/raw/branch/main/README.md      HTTP=403 canary=0
  /admin/secretrepo.rss               (control)    HTTP=403 canary=0
  /admin/secretrepo  (repo.Home, VULN)             HTTP=200 canary=1

A second token with scope public-only,read:repository behaves identically: /archive → 403, but /admin/secretrepo → 200 and returns the private content.

canary=1 means the private README marker was returned in the HTML response; the private file name SECRET.md is also disclosed in the rendered file tree.

Full self-contained reproducer (Docker, prints a PASS/FAIL verdict):

#!/usr/bin/env bash
set -euo pipefail
N=gitea-poc; PW='Adm1n!pass99'; CANARY='TOP-SECRET-CANARY-9F3A2'
docker rm -f $N >/dev/null 2>&1 || true
docker run -d --name $N \
  -e GITEA__security__INSTALL_LOCK=true -e…
Record
GHSA-cp3q-vrj2-ghhh
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-863
Updated
2026-11-02
NVD 4.3

Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents

Record
CVE-2026-58444
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-863
Updated
2026-11-02
OSV 4.3

Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents

Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents

Record
CVE-2026-58444
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-863
Updated
2026-11-02
OSVGHSA-cp3q-vrj2-ghhh 4.3

Gitea: Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents

Summary

A personal access token (PAT) or OAuth2 token that does not carry the repository scope or that is public-only is correctly rejected (HTTP 403) by the recently hardened web content routes (archive download, raw/media file download, and repository RSS/Atom feeds). However, the repository home page route GET /{owner}/{repo} (handler repo.Home) serves the private repository's rendered README, root file/directory tree, description, language statistics, license, and latest-release information to that same token.

This is a token-scope enforcement bypass and private-repository content disclosure. It is the same source→sink pattern already fixed for neighbouring routes in:

  • GHSA-cr4g-f395-h25h (CVE-2026-20706) token scope bypass on web archive download
  • GHSA-3pww-vcvm-3gmj (CVE-2026-27761) token scope bypass on repository RSS/Atom feeds

repo.Home is the remaining token-auth-enabled content route that was not given the guard.

Details / Root cause

Web routes accept token authentication only when explicitly opted in with webAuth.AllowBasic / webAuth.AllowOAuth2. The repository home route carries AllowBasic (added so that go get can resolve private modules):

// routers/web/web.go:1256
m.Get("/{username}/{reponame}", optSignIn, webAuth.AllowBasic,
      context.RepoAssignment, context.RepoRefByType(git.RefTypeBranch),
      repo.SetEditorconfigIfExists, repo.Home)

When a PAT/OAuth2 token is supplied via HTTP Basic auth, services/auth/basic.go sets IsApiToken = true and records ApiTokenScope:

// services/auth/basic.go
store.GetData()["IsApiToken"] = true
store.GetData()["ApiTokenScope"] = token.Scope

The patched sibling handlers all call the web-side scope guard context.CheckRepoScopedToken(...), which enforces both the public-only restriction and the repository scope:

routers/web/repo/download.go:23     (raw / media / archive)  ← GHSA-cr4g
routers/web/feed/render.go:15       (all repo feeds)         ← GHSA-3pww
routers/web/repo/attachment.go:190  (attachments / release assets, centralized)
routers/web/repo/githttp.go:161     (git smart HTTP)         ← GHSA-cc8w

repo.Home (routers/web/repo/view_home.go:389) performs no such check. Its only gate is checkHomeCodeViewable, which verifies the user's permission and that the code unit is enabled neither of which constrains the token's scope. The README, file listing, and sidebar are then rendered. (The handleRepoHomeFeed sub-path is guarded via ShowRepoFeed, but the HTML repo view is not.)

Proof of Concept

Reproduced against gitea/gitea:main-nightly (build g2e1be0b114, identical to the source commit above). A private repository admin/secretrepo is created, and a token is minted with only the read:user scope (no repository scope).

=== anonymous baseline (repository is private) ===
  anon GET /admin/secretrepo                       HTTP=404
=== same no-repo-scope token across routes ===
  API repo get (proves token lacks repo scope)     HTTP=403 canary=0
  /admin/secretrepo/archive/main.zip  (control)    HTTP=403 canary=0
  /admin/secretrepo/raw/branch/main/README.md      HTTP=403 canary=0
  /admin/secretrepo.rss               (control)    HTTP=403 canary=0
  /admin/secretrepo  (repo.Home, VULN)             HTTP=200 canary=1

A second token with scope public-only,read:repository behaves identically: /archive → 403, but /admin/secretrepo → 200 and returns the private content.

canary=1 means the private README marker was returned in the HTML response; the private file name SECRET.md is also disclosed in the rendered file tree.

Full self-contained reproducer (Docker, prints a PASS/FAIL verdict):

#!/usr/bin/env bash
set -euo pipefail
N=gitea-poc; PW='Adm1n!pass99'; CANARY='TOP-SECRET-CANARY-9F3A2'
docker rm -f $N >/dev/null 2>&1 || true
docker run -d --name $N \
  -e GITEA__security__INSTALL_LOCK=true -e…
Record
GHSA-cp3q-vrj2-ghhh
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-863
Updated
2026-11-02
OSVGO-2026-6050 No score

Gitea: Personal access token scope enforcement bypass on the repository home page (`GET /{owner}/{repo}`) discloses private repository contents in gitea.dev

Gitea: Personal access token scope enforcement bypass on the repository home page (GET /{owner}/{repo}) discloses private repository contents in gitea.dev

Record
GO-2026-6050
Updated
2026-11-02
OSVopenSUSE-SU-2026:21483-1 No score

Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues:

  • Update to version 0.0.20260723T184607 2026-07-23T18:46:07Z (jsc#PED-11136).

Go CVE Numbering Authority IDs added or updated with aliases:

  • GO-2026-4730 CVE-2026-33022 GHSA-cv4x-93xx-wgfj
  • GO-2026-4761 CVE-2026-33211 GHSA-j5q5-j9gm-2w5c
  • GO-2026-5102 CVE-2026-45021 GHSA-3vcp-chfh-f6r2
  • GO-2026-5272 CVE-2026-40938 GHSA-94jr-7pqp-xhcq
  • GO-2026-5486 CVE-2026-40924 GHSA-m2cx-gpqf-qf74
  • GO-2026-5542 CVE-2026-40090 GHSA-pj97-4p9w-gx3q
  • GO-2026-5630 CVE-2026-25542 GHSA-rmx9-2pp3-xhcr
  • GO-2026-5643 CVE-2026-40923 GHSA-rx35-6rhx-7858
  • GO-2026-5675 CVE-2026-41492 GHSA-vvf7-6rmr-m29q
  • GO-2026-5711 CVE-2026-40161 GHSA-wjxp-xrpv-xpff
  • GO-2026-5746 CVE-2026-41567 GHSA-x86f-5xw2-fm2r
  • GO-2026-5749 CVE-2026-41328 GHSA-x92x-px7w-4gx4
  • GO-2026-5837 CVE-2026-44840 GHSA-q2m9-6jp9-c6mc
  • GO-2026-5929 CVE-2026-44342 GHSA-26v7-h57m-gh9m
  • GO-2026-5930 CVE-2026-33655 GHSA-6qcr-qxgr-m7fv
  • GO-2026-5933 GHSA-3g4q-2f67-2gvh
  • GO-2026-5934 GHSA-59qp-cfj3-rp64
  • GO-2026-5935 GHSA-7856-g3gv-9wq8
  • GO-2026-5936 CVE-2026-53552 GHSA-26rh-24rg-j3vv
  • GO-2026-5937 CVE-2026-53508 GHSA-2jcc-mxv7-p3f9
  • GO-2026-5938 CVE-2026-53553 GHSA-4g5x-hcwm-82jw
  • GO-2026-5939 CVE-2026-10517 GHSA-698x-9w2p-7vvp
  • GO-2026-5940 CVE-2026-53572 GHSA-6w3m-4hhp-775q
  • GO-2026-5941 CVE-2026-53487 GHSA-gvhc-wv3v-7pf8
  • GO-2026-5942 CVE-2026-46600
  • GO-2026-5944 CVE-2026-50197 GHSA-659f-rgp5-w4wf
  • GO-2026-5945 CVE-2026-6815 GHSA-rmxx-v9rj-vpvg
  • GO-2026-5946 CVE-2026-52831 GHSA-v5px-423j-pf7p
  • GO-2026-5947 CVE-2026-53649 GHSA-xqhv-chqm-fhcc
  • GO-2026-5948 CVE-2026-50554 GHSA-588f-fvcv-xhvf
  • GO-2026-5949 CVE-2026-50553 GHSA-rqrh-8wpv-x7hh
  • GO-2026-5950 CVE-2026-53602 GHSA-339v-266x-79xr
  • GO-2026-5951 CVE-2026-10219 GHSA-6jm8-4fhr-5w64
  • GO-2026-5952 CVE-2026-49834 GHSA-9vcr-p3rj-q5q6
  • GO-2026-5953 CVE-2026-9094 GHSA-c9w5-qp6m-m395
  • GO-2026-5956 CVE-2026-55252 GHSA-h5g6-xmh4-hc37
  • GO-2026-5957 CVE-2026-54158 GHSA-5xfx-xj4h-5p7r
  • GO-2026-5958 CVE-2026-54068 GHSA-gcm7-57gf-953c
  • GO-2026-5959 CVE-2026-54072 GHSA-h29v-hj44-q8cv
  • GO-2026-5961 CVE-2026-54069 GHSA-hvr9-72v2-fff3
  • GO-2026-5962 CVE-2026-54088 GHSA-m93h-4hw7-5qcm
  • GO-2026-5963 CVE-2026-54067 GHSA-mvjr-vv3c-w4qv
  • GO-2026-5964 CVE-2026-54066 GHSA-p4m3-mgmm-c664
  • GO-2026-5965 CVE-2026-54070 GHSA-w7cg-whh7-xp28
  • GO-2026-5966 CVE-2026-54089 GHSA-xqp3-jq6g-x3qm
  • GO-2026-5967 CVE-2026-50551 GHSA-56mp-4f3v-fgj2
  • GO-2026-5968 CVE-2026-54174 GHSA-fpg8-7664-jc5q
  • GO-2026-5969 GHSA-g936-7jqj-mwv8
  • GO-2026-5970 CVE-2026-56852
  • GO-2026-5973 CVE-2026-54250 GHSA-jxr7-mqhw-9p98
  • GO-2026-5974 CVE-2026-44300 GHSA-wmj8-9953-vff5
  • GO-2026-5975 CVE-2026-50018 GHSA-42j2-w334-qxw7
  • GO-2026-5976 CVE-2026-50141 GHSA-g7mm-9vx7-jm7h
  • GO-2026-5977 CVE-2026-50013 GHSA-qrh4-p6v4-mrfg
  • GO-2026-5978 CVE-2026-50125 GHSA-qw5r-ppcg-f8rj
  • GO-2026-5979 CVE-2026-50006 GHSA-xrcf-6jh3-ggvx
  • GO-2026-5980 CVE-2026-50158 GHSA-2c7f-fxww-6w6c
  • GO-2026-5981 GHSA-mqxv-9rm6-w8qc
  • GO-2026-5982 GHSA-pqg7-v6wh-3pfp
  • GO-2026-5984 CVE-2026-53604 GHSA-2p2f-px33-4vv5
  • GO-2026-5985 GHSA-7rx3-5wx3-5v76
  • GO-2026-5986 CVE-2026-61699 GHSA-cm26-5974-52h8
  • GO-2026-5987 CVE-2026-55513 GHSA-g4x6-jcvr-9m3g
  • GO-2026-5988 CVE-2026-54628 GHSA-hwrq-8wxh-q4xv
  • GO-2026-5989 CVE-2026-55512 GHSA-m3cx-mwpg-32jg
  • GO-2026-5990 CVE-2026-54629 GHSA-mf78-3rpf-r784
  • GO-2026-5991 CVE-2026-53603 GHSA-q4vm-pq3q-8wgq
  • GO-2026-5992 CVE-2026-61549 GHSA-qf34-295c-26v8
  • GO-2026-5996 CVE-2026-54450 GHSA-pph6-vfjv-vpjw
  • GO-2026-5997 CVE-2026-54452 GHSA-xgch-x3mx-cm3c
  • GO-2026-5998 CVE-2026-54495 GHSA-398h-7f66-3h4p
  • GO-2026-5999 CVE-2026-10814 GHSA-jh6h-v6mp-h22v
  • GO-2026-6002 CVE-2026-58196 GHSA-pr64-jmmf-jp54
  • GO-2026-6003 CVE-2026-53714 GHSA-22xc-xg2r-9j7v
  • GO-2026-6004 CVE-2026-52833 GHSA-3v79-m2cg-89ww
  • GO-2026-6005 CVE-2026-53715 GHSA-8fv2-88gg-hm7q
  • GO-2026-6006 CVE-2026-53716 GHSA-cxpq-8v7q-cg56 *…
Record
openSUSE-SU-2026:21483-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
code.gitea.io/gitea
Go
 before 1.27.0
1.27.0
gitea.dev
Go
 before 1.27.0
1.27.0
govulncheck-vulndb
openSUSE:Leap 16.0
From an advisory covering 1734 CVEs
 before 0.0.20260723T184607-160000.1.1
0.0.20260723T184607-160000.1.1

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-2026-58444 is a medium vulnerability (CVSS 4.3) in Gitea Open Source Git Server, published July 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in code.gitea.io/gitea 1.27.0.

References

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