What’s Vulnerable › Vulnerabilities
CVE-2025-2424: Leaked Metadata of Deleted Files via Bookmark Creation
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-04-14 · updated 2026-06-17
- Weakness: CWE-863
Description
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.
Affected products
- Mattermost: from 9.11.0 before 9.11.10; from 10.5.0 before 10.5.2 — fixed in 10.5.2, 9.11.10
How to fix
Upgrade to a fixed version: Mattermost 10.5.2, 9.11.10. Check the vendor advisory for mitigations.
References
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