CVE-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_midd...

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.

Metrics

CVSS 3.1

3.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS 4.0

5.1/10

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:X/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

EPSS Probability

0.21%

11.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published: Apr 12, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-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 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.

How severe is CVE-2026-6107?

CVE-2026-6107 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-6107?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.