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CVE-2025-41395

19
FAUCET Score

CVE-2025-41395 is a denial-of-service vulnerability affecting Mattermost versions 10.4.x up to 10.4.2, 10.5.x up to 10.5.0, and 9.11.x up to 9.11.10. An attacker can exploit this by creating a specially crafted post within the Playbooks plugin, leading to a web application DoS for all users. Rated with a CVSS score of 7.5 (HIGH), this vulnerability is network-exploitable with low attack complexity and no user interaction required, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.11.0, < 9.11.11CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
>= 10.4.0, < 10.4.3CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
>= 10.5.0, < 10.5.1CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
>= 10.4.0, <= 10.4.2CPE match
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
>= 9.11.0, <= 9.11.10CPE match
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 16th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/mattermost/mattermost/server/v8Fixed in: 8.0.0-20250218121836-2b5275d87136
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost-plugin-playbooksFixed in: 1.41.0

Vendor Advisories (1)

goGHSA-3g36-gf7c-75qwmedium

Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type

Apr 24, 2025

References

mattermost.com / security-updates
Vendor Advisory