CVE-2025-1412

highpriority · track · 35EPSS 0.003 · 17 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.26% (17th) EPSS

CVSS 8.8 · high

Is it mine?

22 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.1–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · responsibledisclosure@mattermost.comexploitability 1.6 · impact 1.4

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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-384USCWE-384USCWE-384US

affected products (22)

Products and version ranges known to be affected.

Mattermost Mattermost <10.2.3all versionscert_bundDE
Mattermost Mattermost <10.3.3all versionscert_bundDE
Mattermost Mattermost <10.4.2all versionscert_bundDE
Mattermost Mattermost <10.5.0all versionscert_bundDE
Mattermost Mattermost <9.11.8all versionscert_bundDE
Mattermost Mattermost< 10.2.3cert_bundDE
Mattermost Mattermost< 10.3.3cert_bundDE
Mattermost Mattermost< 10.4.2cert_bundDE
Mattermost Mattermost< 10.5.0cert_bundDE
Mattermost Mattermost< 9.11.8cert_bundDE
Mattermost Mattermost≤ 10.4.0 ≤10.4.1enisa_euvdEU
Mattermost Mattermost≤ 9.11.0 ≤9.11.6enisa_euvdEU
mattermost mattermostall versionsncsc_nlNLcpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost server10.4.0 → 10.4.2nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server9.11.0 → 9.11.7nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Go github.com/mattermost/mattermost-server10.4.0-rc1+incompatible → 10.4.2+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server9.11.0-rc1+incompatible → 9.11.7+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server/v5all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v5
Go github.com/mattermost/mattermost-server/v6all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost/server/v8< 8.0.0-20241217145510-faa7e4f2ea0cosvUSpkg:golang/github.com/mattermost/mattermost/server/v8

showing 20 of 22

advisories (4)

Vendor and ecosystem advisories describing this.

NCSC-2025-0068Kwetsbaarheden verholpen in MattermostNL2025-02-24csaf · ncsc_nlNL
Mattermost heeft kwetsbaarheden verholpen in versies 10.4.x, 9.11.x, 10.3.x, 10.2.x en 10.1.x.
WID-SEC-W-2025-0187Mattermost: Mehrere SchwachstellenDeutsch2025-01-23csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um einen SQL Angriff durchzuführen oder Informationen offenzulegen.
GHSA-rhvr-6w8c-6v7wMattermost fails to invalidate all active sessions when converting a user to a bot2025-02-24ghsa · osvUS
Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.
GO-2025-3482Mattermost fails to invalidate all active sessions when converting a user to a bot in github.com/mattermost/mattermost-server2025-03-03vendor · osvUS
Mattermost fails to invalidate all active sessions when converting a user to a bot 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 ncsc_nl nvd NVD CVE.org MITRE

published 2025-02-24modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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