CVE-2025-3230

mediumpriority · track · 22EPSS 0.002 · 14 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (14th) EPSS

CVSS 5.4 · medium

Is it mine?

30 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.5

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · responsibledisclosure@mattermost.comexploitability 2.8 · impact 2.5

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-303USCWE-303US

affected products (30)

Products and version ranges known to be affected.

Mattermost Mattermost <10.5.4all versionscert_bundDE
Mattermost Mattermost <10.6.3all versionscert_bundDE
Mattermost Mattermost <10.7.1all versionscert_bundDE
Mattermost Mattermost <10.8.0all versionscert_bundDE
Mattermost Mattermost <9.11.13all versionscert_bundDE
Mattermost Mattermost< 10.5.4cert_bundDE
Mattermost Mattermost< 10.6.3cert_bundDE
Mattermost Mattermost< 10.7.1cert_bundDE
Mattermost Mattermost< 10.8.0cert_bundDE
Mattermost Mattermost< 9.11.13cert_bundDE
Mattermost Mattermost≤ 10.7.0enisa_euvdEU
Mattermost Mattermost≤ 10.6.0 ≤10.6.2enisa_euvdEU
Mattermost Mattermost≤ 10.5.0 ≤10.5.3enisa_euvdEU
Mattermost Mattermostall versionsenisa_euvdEU
Mattermost Mattermost≤ 9.11.0 ≤9.11.12enisa_euvdEU
mattermost mattermost server10.5.0 → 10.5.4nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server10.6.0 → 10.6.3nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server10.7.0 → 10.7.1nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server9.11.0 → 9.11.13nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Go github.com/mattermost/mattermost-server10.0.0-rc1+incompatible → 10.5.4+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server

showing 20 of 30

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0905Mattermost: Mehrere SchwachstellenDeutsch2025-04-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um Sicherheitsmechanismen zu umgehen und Informationen offenzulegen.
GHSA-mc2f-jgj6-6cp3Mattermost fails to properly invalidate personal access tokens upon user deactivation2025-05-30ghsa · osvUS
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
GO-2025-3731Mattermost fails to properly invalidate personal access tokens upon user deactivation in github.com/mattermost/mattermost-server2025-06-03vendor · osvUS
Mattermost fails to properly invalidate personal access tokens upon user deactivation in github.com/mattermost/mattermost-server

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2025-05-30modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan