# CVE-2025-41395: Webapp DoS via malicious retrospective post in Playbooks

> CVE-2025-41395: Webapp DoS via malicious retrospective post in Playbooks. CVSS 6.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-41395
Last updated: 2026-06-17T09:22:48Z

- Published: 2025-04-24 06:48 UTC · Updated: 2026-06-17 09:22 UTC · Assigner: Mattermost
- CVSS: 6.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS: 0.50%, 43th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-1287

## Description

Mattermost versions 10.4.x \<= 10.4.2, 10.5.x \<= 10.5.0, 9.11.x \<= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.

## 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-2025-41395)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-41395)
- [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-2025-41395 · Markdown: https://rewindex.com/cve/CVE-2025-41395.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-41395 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:04:00.275Z