CVEvulnerability

CVE-2025-9078

4.3 MEDIUM Published 2025-09-15 Modified 2026-10-19 Official page ↗
Status
Analyzed
Published
2025-09-15
Last modified
2026-10-19
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-328

Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing

Affected configurations

• mattermost mattermost server (>= 9.11.0 < 9.11.18) • mattermost mattermost server (>= 10.5.0 < 10.5.9) • mattermost mattermost server (>= 10.8.0 < 10.8.4) • mattermost mattermost server (>= 10.9.0 < 10.9.4) • mattermost mattermost server (>= 10.10.0 < 10.10.2)

Related

Weakness · CWE (1)

  • CWE-328 Use of Weak Hash weakness

References