4.3

CVE-2025-41423: Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin

Analyzed
AliasesGHSA-fr22-5377-f3p7GO-2025-3644CGA-5r65-64c4-g8rf
Published 24-04-2025Last modified 24-04-2025

Vulnerability summary

CVE-2025-41423 is a medium (CVSS 4.3) Incorrect Authorization vulnerability in mattermost. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 5
OPENSUSE-SU-2025:15033-1CGA-3MG4-Q86X-GHQ7CGA-H7VH-R3M6-7X3FCGA-R8WG-CJJ9-Q8V6CGA-WWF3-684F-J697

Timeline

  1. 24-04-2025
    PublishedVulnerability first disclosed.
  2. 24-04-2025
    Last modifiedVulnerability information updated.

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 permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.27% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • mattermost-fips-10.5< 10.5.3-r3
  • mattermost-fips-10.5-compat< 10.5.3-r3
Github.com/mattermost2 products
  • mattermost-plugin-playbooks≥ 2.0.0 (No fix recorded) | All versions (No fix recorded) | < 1.41.0
  • mattermost-server≥ 9.11.0+incompatible (No fix recorded) | ≥ 10.4.0+incompatible (No fix recorded) | ≥ 10.5.0+incompatible (No fix recorded)
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
  • mattermost≥ 10.4.0, ≤ 10.4.2 | 10.5.0 | ≥ 9.11.0, ≤ 9.11.10
  • mattermost_serverEOL≥ 9.11.0, < 9.11.11 | ≥ 10.4.0, < 10.4.3 | 10.5.0
Github.com/mattermost/mattermost/server1 product
  • v8≥ 10.4.0 (No fix recorded) | ≥ 10.5.0 (No fix recorded) | ≥ 9.11.0 (No fix recorded) | All versions (No fix recorded) | < 8.0.0-20250218121836-2b5275d87136

5 vendors · 9 products

References

7 links