# CVE-2025-1792: Improper Access Control in Mattermost Channel Member API

> CVE-2025-1792: Improper Access Control in Mattermost Channel Member API. CVSS 3.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-1792
Last updated: 2026-06-17T08:39:47Z

- Published: 2025-05-30 14:22 UTC · Updated: 2026-06-17 08:39 UTC · Assigner: Mattermost
- CVSS: 3.1 (CVSS 3.1) · Severity: Low · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS: 0.24%, 15th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## Description

Mattermost versions 10.7.x \<= 10.7.0, 10.5.x \<= 10.5.3, 9.11.x \<= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.

## Affected vendors and products

- Mattermost: Mattermost

## Tracked companies

- [Mattermost](https://rewindex.com/company/mattermost.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-1792)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-1792)
- [https://mattermost.com/security-updates](https://mattermost.com/security-updates)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-1792 · Markdown: https://rewindex.com/cve/CVE-2025-1792.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-1792 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:04:32.378Z