# CVE-2025-55074

## Summary

- **CVE ID:** CVE-2025-55074
- **Severity:** LOW
- **CVSS Score:** 3 (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N)
- **CWE:** CWE-1426
- **Published:** Nov 18, 2025
- **Last Modified:** Mar 12, 2026

## Description

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

## Affected Products

- Mattermost — Mattermost (10.11.0)
- Mattermost — Mattermost (10.5.0)
- Mattermost — Mattermost (11.0.0)
- Mattermost — Mattermost (10.11.4)
- Mattermost — Mattermost (10.5.12)

## References

- [CNA](https://mattermost.com/security-updates)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._