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5.1
1Panel-dev MaxKB Chat Headers Middleware Cross-Site Scripting Risk
CVE-2026-6107
Summary
A security flaw in 1Panel-dev MaxKB's chat headers middleware can allow attackers to inject malicious code, potentially allowing them access to sensitive information or taking control of user sessions. This issue is patched in version 2.8.0. Update to this version to protect your system.
Original title
A flaw has been found in 1Panel-dev MaxKB up to 2.6.1. This issue affects some unknown processing of the file apps/common/middleware/chat_headers_middleware.py of the component ChatHeadersMiddlewar...
Original description
A flaw has been found in 1Panel-dev MaxKB up to 2.6.1. This issue affects some unknown processing of the file apps/common/middleware/chat_headers_middleware.py of the component ChatHeadersMiddleware. This manipulation of the argument Name causes cross site scripting. Remote exploitation of the attack is possible. Upgrading to version 2.8.0 is capable of addressing this issue. Patch name: 026a2d623e2aa5efa67c4834651e79d5d7cab1da. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
nvd CVSS2.0
4.0
nvd CVSS3.1
3.5
nvd CVSS4.0
5.1
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
CWE-94
Code Injection
- https://github.com/1Panel-dev/MaxKB/
- https://github.com/1Panel-dev/MaxKB/commit/026a2d623e2aa5efa67c4834651e79d5d7cab...
- https://github.com/1Panel-dev/MaxKB/pull/4919
- https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0
- https://github.com/AnalogyC0de/public_exp/issues/24
- https://vuldb.com/submit/782263
- https://vuldb.com/vuln/356966
- https://vuldb.com/vuln/356966/cti
Published: 12 Apr 2026 · Updated: 12 Apr 2026 · First seen: 12 Apr 2026