CVE-2025-55074 (GCVE-0-2025-55074)
Vulnerability from cvelistv5 – Published: 2025-11-18 15:23 – Updated: 2025-11-18 21:03
VLAI
EPSS
VEX
Title
Channel member objects leak read status
Summary
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
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-18 21:03 UTC
CWE
- CWE-1426 - Improper Validation of Generative AI Output
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mattermost | Mattermost |
Affected:
10.11.0 , ≤ 10.11.3
(semver)
Affected: 10.5.0 , ≤ 10.5.11 (semver) Unaffected: 11.0.0 Unaffected: 10.11.4 Unaffected: 10.5.12 |
guessed |
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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