What’s Vulnerable › Vulnerabilities
CVE-2023-2515: Privilege escalation to system admin via personal access tokens
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-05-12 · updated 2026-06-17
- Weakness: CWE-863
Description
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
Affected products
- Mattermost: before 7.1.8; from 7.2.0 before 7.7.4; from 7.8.0 before 7.8.3; from 7.9.0 before 7.9.2 — fixed in 7.1.8, 7.7.4, 7.8.3, 7.9.2
How to fix
Upgrade to a fixed version: Mattermost 7.1.8, 7.7.4, 7.8.3, 7.9.2. Check the vendor advisory for mitigations.
References
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