CVE-2026-6107
LOW1Panel-dev MaxKB ChatHeadersMiddleware chat_headers_middleware.py cross site scripting
Title source: cnaDescription
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.
References (8)
Core 8
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-356966 | 1Panel-dev MaxKB ChatHeadersMiddleware chat_headers_middleware.py cross site scripting
https://vuldb.com/vuln/356966
Signature, Permissions Required signature
permissions-required
VDB-356966 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/356966/cti
Third Party Advisory third-party-advisory
Submit #782263 | 1Panel-dev MaxKB <= v2.6.1 Stored XSS
https://vuldb.com/submit/782263
Issue Tracking issue-tracking
https://github.com/AnalogyC0de/public_exp/issues/24
Patch issue-tracking
patch
https://github.com/1Panel-dev/MaxKB/pull/4919
Product product
https://github.com/1Panel-dev/MaxKB/
Scores
CVSS v3
3.5
EPSS
0.0021
EPSS Percentile
11.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
CWE-94
Status
published
Products (3)
1Panel-dev/MaxKB
2.6.0
1Panel-dev/MaxKB
2.6.1
1Panel-dev/MaxKB
2.8.0
Published
Apr 12, 2026
Tracked Since
Apr 12, 2026