CVE-2026-6106
1Panel-dev MaxKB Public Chat static_headers_middleware.py StaticHeadersMiddleware cross site scripting
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
1Panel-dev MaxKB Public Chat static_headers_middleware.py StaticHeadersMiddleware cross site scripting
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- Record
CVE-2026-6106- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C - CVSS 3.0
- 3.5 Low
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C - CVSS 2.0
- 4.0
AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-21686
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- Record
EUVD-2026-21686- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4gvx-284h-fwmm
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the...
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- Record
GHSA-4gvx-284h-fwmm- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- Record
CVE-2026-6106- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
OSV
1Panel-dev MaxKB Public Chat static_headers_middleware.py StaticHeadersMiddleware cross site scripting
A vulnerability was detected in 1Panel-dev MaxKB up to 2.2.1. This vulnerability affects the function StaticHeadersMiddleware of the file apps/common/middleware/static_headers_middleware.py of the component Public Chat Interface. The manipulation of the argument Name results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 2.8.0 is able to resolve this issue. The patch is identified as 026a2d623e2aa5efa67c4834651e79d5d7cab1da. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
- Record
CVE-2026-6106- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-6106 is a medium vulnerability (CVSS 5.1) in 1panel-dev Maxkb, published April 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. No source names a fixed version.