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CVE-2026-6107

1Panel-dev MaxKB ChatHeadersMiddleware chat_headers_middleware.py cross site scripting

LOW
3.5
CVSS Score
Published: April 12, 2026 at 12:45 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsMaxkbMaxKB

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Severity
LOW3.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Maxkb· Maxkb
95%
All versions
MaxKB· 1PANEL Dev
90%
2.6.02.6.1
Vendor states this is fixed in 2.8.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/356966
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/356966/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/782263
Issue Tracking
Source: cverecord
https://github.com/AnalogyC0de/public_exp/issues/24
Issue TrackingPatch
Source: cverecord
https://github.com/1Panel-dev/MaxKB/pull/4919
Patch
Source: cverecord
https://github.com/1Panel-dev/MaxKB/commit/026a2d623e2aa5efa67c4834651e79d5d7cab1da
Patch
Source: cverecord
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0
Product
Source: cverecord
https://github.com/1Panel-dev/MaxKB/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.5LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79CWE-94

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