CVE-2023-3509

mediumpriority · track · 22OT risk · elevatedEPSS 0.003 · 25 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (25th) EPSS

CVSS 5.4 · medium

Is it mine?

12 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An issue has been discovered in GitLab affecting all versions before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for group members with sub-maintainer role to change the title of privately accessible deploy keys associated with projects in the group.

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⚠ sources disagree · low–medium · 3.7–5.4

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

v3.13.7lowAV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · cve@gitlab.comexploitability 1.2 · impact 2.5

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-264USCWE-269USCWE-284USCWE-863US

affected products (12)

Products and version ranges known to be affected.

GitLab GitLab0 → 16.7.6enisa_euvdEU
GitLab GitLab16.8 → 16.8.3enisa_euvdEU
GitLab GitLab16.9 → 16.9.1enisa_euvdEU
GitLab Inc. Gitlab≤ 16.9.0fstec_bduRU
GitLab Inc. Gitlab≤ 16.7.6fstec_bduRU
GitLab Inc. Gitlab16.8.0 → 16.8.3fstec_bduRU
gitlab gitlab≤ 16.7.6nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab16.8.0 → 16.8.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 16.9.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab< 16.7.6osvUSpkg:bitnami/gitlab
Bitnami gitlab16.8.0 → 16.8.3osvUSpkg:bitnami/gitlab
Bitnami gitlab16.9.0 → 16.9.1osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0460GitLab: Mehrere SchwachstellenDeutsch2024-02-21csaf · cert_bundDE
Ein entfernter, authentifizierter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, Dateien zu manipulieren, seine Privilegien zu erweitern oder einen Cross-Site-Scripting (XSS)-Angriff durchzuführen.
BIT-gitlab-2023-3509Incorrect Authorization in GitLab2024-03-06vendor · osvUS
An issue has been discovered in GitLab affecting all versions before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for group members with sub-maintainer role to change the title of privately accessible deploy keys associated with projects in the group.

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 2024-02-21modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2023-3509/cnnvd
https://gitlab.com/gitlab-org/gitlab/-/issues/416945Patchcnnvd
https://nvd.nist.gov/vuln/detail/CVE-2023-3509 cnnvd
https://gitlab.com/gitlab-org/gitlab/-/issues/416945 enisa_euvd
https://hackerone.com/reports/2037814 enisa_euvd
https://gitlab.com/gitlab-org/gitlab/-/issues/416945Broken LinkPermissions Requirednvd
https://hackerone.com/reports/2037814Permissions Requirednvd

scry

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

Free scan