CVE-2025-41395
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.13%• Percentile: 31%
Techniques & Countermeasures
- CWE-1287•Improper Validation of Specified Type of Input
The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.
Affected Systems
- github.com/mattermost•mattermost-plugin-playbooks
all | ≥ 2.0.0 | < 1.41.0
- github.com/mattermost•mattermost-server
≥ 9.11.0+incompatible | ≥ 10.4.0+incompatible | ≥ 10.5.0+incompatible
- github.com/mattermost/mattermost-server•v5
all
- github.com/mattermost/mattermost-server•v6
all
- github.com/mattermost/mattermost/server•v8
all | < 8.0.0-20250218121836-2b5275d87136 | ≥ 10.4.0 | ≥ 10.5.0 | ≥ 9.11.0
- mattermost•mattermost
≥ 10.4.0, ≤ 10.4.2 | 10.5.0 | ≥ 9.11.0, ≤ 9.11.10
- mattermost•mattermost_server
≥ 9.11.0, < 9.11.11 | ≥ 10.4.0, < 10.4.3 | ≥ 10.5.0, < 10.5.1
References (6)
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-3g36-gf7c-75qw
- https://nvd.nist.gov/vuln/detail/CVE-2025-41395
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/4c823090e281cb9c0d5c17ee2e5db275117540d1
- https://github.com/mattermost/mattermost/commit/2b5275d87136f07e016c8eca09a2f004b31afc8a
- https://github.com/mattermost/mattermost-plugin-playbooks