CVE-2025-14573: mattermost Missing Authorization
CVSS: 3.8v3.1LowAnalyzed
AliasesGHSA-cgjg-p2m2-qm4pGO-2026-4523
Published 16-02-2026Last modified 17-02-2026
Vulnerability summary
CVE-2025-14573 is a low (CVSS 3.8) Missing Authorization vulnerability in mattermost. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)EPSS score
0.18%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 16-02-2026PublishedVulnerability first disclosed.
- 17-02-2026Last modifiedVulnerability information updated.
Description
Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
CVSS metrics
3 scores · 3 sources · 1 versionLow 3.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NSources3 sources · 2.7–3.8
- OSV · GoEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
+0.02 pp
From 0.16% on 21-09-2026
21-09-202621-10-2026
EPSS score0.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Github.com/mattermost/mattermost-server2 products
- v5All versions (No fix recorded)
- v6All versions (No fix recorded)
Mattermost2 products
- mattermost≥ 10.11.0, ≤ 10.11.9
- mattermost_server≥ 10.11.0, < 10.11.10
Github.com/mattermost1 product
- mattermost-server≥ 11.1.0 (No fix recorded) | ≥ 10.11.0 (No fix recorded) | ≥ 11.2.0 (No fix recorded) | < 5.3.2-0.20251215190648-6404ab29acc0 | All versions (No fix recorded) | ≥ 10.11.0+incompatible (No fix recorded) | ≥ 11.1.0+incompatible (No fix recorded) | ≥ 11.2.0+incompatible (No fix recorded)
Github.com/mattermost/mattermost/server1 product
- v8< 8.0.0-20251215190648-6404ab29acc0
4 vendors · 6 products