2.7

CVE-2025-24866: Unauthorized Access to User Activity Logs API by delegated granular administration roles

Analyzed
AliasesGHSA-xfq9-hh5x-xfq9GO-2025-3604CGA-32g3-wch9-mfvw
Published 10-04-2025Last modified 10-04-2025

Vulnerability summary

CVE-2025-24866 is a low (CVSS 2.7) Incorrect Authorization vulnerability in mattermost. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.9% of scored vulnerabilities.

Overall risk
11/100
0100
Low · default modelHow is this calculated?
CVSS score
2.7/10
010
Low · v3.1 (CVE.org)
EPSS score
0.29%
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

Timeline

  1. 10-04-2025
    PublishedVulnerability first disclosed.
  2. 10-04-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 9.11.x <= 9.11.8  fail to enforce proper access controls on the /api/v4/audits endpoint, allowing users with delegated granular administration roles who lack access to Compliance Monitoring to retrieve User Activity Logs.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.29% on 22-09-2026

22-09-202622-10-2026

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

Chainguard2 products
  • mattermost-fips-10.5< 10.5.3-r3
  • mattermost-fips-10.5-compat< 10.5.3-r3
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
Github.com/mattermost1 product
  • mattermost-server≥ 9.11.0+incompatible, < 9.11.9+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8≥ 9.11.0, < 9.11.9 | < 8.0.0-20250204211032-f52e08754c49 | All versions (No fix recorded)

5 vendors · 8 products

References

6 links