CVE-2025-32093: mattermost Incorrect Authorization
Vulnerability summary
CVE-2025-32093 is a medium (CVSS 4.9) Incorrect Authorization vulnerability in mattermost. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 4Timeline
- 14-04-2025PublishedVulnerability first disclosed.
- 14-04-2025Last modifiedVulnerability information updated.
Description
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · GoEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · ChainguardEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- mattermost-fips-10.5All versions (No fix recorded)
- mattermost-fips-10.5-compatAll versions (No fix recorded)
Github.com/mattermost/mattermost-server2 products
- v5All versions (No fix recorded)
- v6All versions (No fix recorded)
Mattermost2 products
- mattermost≥ 10.5.0, ≤ 10.5.1 | ≥ 10.4.0, ≤ 10.4.3 | ≥ 9.11.0, ≤ 9.11.9
- mattermost_server≥ 9.11.0, < 9.11.10 | ≥ 10.4.0, < 10.4.4 | ≥ 10.5.0, < 10.5.2
Github.com/mattermost1 product
- mattermost-server≥ 10.5.0, < 10.5.2 | ≥ 10.4.0, < 10.4.4 | ≥ 9.11.0, < 9.11.10 | ≥ 10.5.0+incompatible, < 10.5.2+incompatible
Github.com/mattermost/mattermost/server1 product
- v8≥ 10.5.0, < 10.5.2 | ≥ 10.4.0, < 10.4.4 | ≥ 9.11.0, < 9.11.10 | < 8.0.0-20250227102013-aa4623a93199
5 vendors · 8 products