CVE-2023-27264

mediumpriority · track · 26OT risk · elevatedEPSS 0.005 · 43 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (43rd) EPSS

CVSS 6.5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.1

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Lsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 2.8 · impact 4.2

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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-862USprimary

affected products (8)

Products and version ranges known to be affected.

Mattermost Mattermostall versionscert_bundDEcpe:/a:mattermost:mattermost_server:-
Mattermost Mattermost≤ 0 ≤7.5.1enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.1.4enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.4.0enisa_euvdEU
mattermost mattermost≤ 7.1.4nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost= 7.4.0nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost= 7.5.0nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost= 7.5.1nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0490Mattermost: Mehrere SchwachstellenDeutsch2023-02-27csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um Informationen offenzulegen und Daten zu manipulieren.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-02-27modified 2026-06-17

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+11496 more

references (4)

External citations — patches, advisories, analysis.

scry

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