# CVE-2025-41436: Unauthorized access to archived channel content via threads interface

> CVE-2025-41436: Unauthorized access to archived channel content via threads interface. CVSS 3.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-41436
Last updated: 2026-10-19T13:10:00Z

- Published: 2025-11-14 08:00 UTC · Updated: 2026-10-19 13:10 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: 0.18%, 8th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## Description

Mattermost versions \<11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

## 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-2025-41436)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-41436)
- [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-2025-41436 · Markdown: https://rewindex.com/cve/CVE-2025-41436.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-41436 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:51.905Z