CVE-2023-5356

highpriority · track · 35OT risk · elevatedEPSS 0.008 · 57 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.83% (57th) EPSS

CVSS 8.8 · high

Is it mine?

16 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-23

Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.

cvss

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

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.3–9.6

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

v3.19.6criticalAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.3highCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:Nsecondary · cve@gitlab.comexploitability 1 · impact 5.8

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-863USprimaryCWE-863US

affected products (16)

Products and version ranges known to be affected.

GitLab GitLab16.6 → 16.6.4enisa_euvdEU
GitLab GitLab16.7 → 16.7.2enisa_euvdEU
GitLab GitLab8.13 → 16.5.6enisa_euvdEU
GitLab Inc. Gitlab16.1 → 16.1.6fstec_bduRU
GitLab Inc. Gitlab16.2 → 16.2.9fstec_bduRU
GitLab Inc. Gitlab16.3 → 16.3.7fstec_bduRU
GitLab Inc. Gitlab16.4 → 16.4.5fstec_bduRU
GitLab Inc. Gitlab16.6 → 16.6.4fstec_bduRU
GitLab Inc. Gitlab16.7 → 16.7.2fstec_bduRU
gitlab gitlab16.6.0 → 16.6.4nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 16.7.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 16.7.1nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab8.13.0 → 16.5.6nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab16.6.0 → 16.6.4osvUSpkg:bitnami/gitlab
Bitnami gitlab16.7.0 → 16.7.2osvUSpkg:bitnami/gitlab
Bitnami gitlab8.13.0 → 16.5.6osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0077GitLab: Mehrere SchwachstellenDeutsch2024-01-11csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Benutzerrechte zu erlangen, Daten zu manipulieren und um Sicherheitsmaßnahmen zu umgehen.
BIT-gitlab-2023-5356Incorrect Authorization in GitLab2024-03-06vendor · osvUS
Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv cert_bund NVD CVE.org MITRE

published 2024-01-12modified 2026-06-17

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+4970 more

references (8)

External citations — patches, advisories, analysis.

scry

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