CVE-2026-6961
CVE-2026-6961
Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Mattermost fails to sanitize FileInfo.Name received from federated peers during shared channel file sync, which allows an attacker who control…
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-6961?
- CVE-2026-6961 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 7.6/10. Published 2026-06-12.
- How severe is CVE-2026-6961?
- High severity. CVSS v3 base score is 7.6 out of 10.