Vulnerability · CVE-2026-6107
A flaw has been found in 1Panel-dev MaxKB up to 2.6.1.
Published Apr 12, 2026 · catalog updated Jun 17, 2026 · A flaw has been
Check if you run it
No confirmed exploitation is on record for CVE-2026-6107. EPSS is 0.36%. Act only if a listed version of A flaw has been is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (A flaw has been).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.36%
- Remediation
- Not established
- Affected products
- See sources for product scope
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.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2026-6107
Recommended remediation
No required-action text, fix commit, or clear fixed-version range is stored yet.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-6107. EPSS is 0.36%. Act only if a listed version of A flaw has been is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS); CWE-94: Code Injection. EPSS 0.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 12, 2026 · NIST NVD
Detected
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: 026a2d623
Jun 17, 2026 · NIST NVD
Updated
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: 026a2d623
Sources
- CVE.orgVulnerability recordCVE-2026-6107
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-6107
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-2026-6107
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 explo
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.