No exploitation reportedFix available

CVE-2023-5009

Q: Is CVE-2023-5009 actively exploited?

Active exploitation of CVE-2023-5009 has not been confirmed. Its EPSS score was 9.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-5009?

CVE-2023-5009 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-09-19
Fixed in16.3.4 · 16.2.7
WeaknessCWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue has been discovered in GitLab EE affecting all versions starting from 13.12 before 16.2.7, all versions starting from 16.3 before 16.3.4. It was possible for an attacker to run pipeline jobs as an arbitrary user via scheduled security scan policies. This was a bypass of [CVE-2023-3932](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3932) showing additional impact.

Timeline

dates in UTC

2023-09-1908:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-5009?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-5009?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

GitLab

Branch	Affected	Fixed in	Source
16.3	≥ 16.3, < 16.3.4	16.3.4	NVD
16.3	≥ 16.3.0, < 16.3.4	16.3.4	OSV
16.2	≥ 13.12, < 16.2.7	16.2.7	NVD
16.2	≥ 13.12.0, < 16.2.7	16.2.7	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update GitLab to 16.3.4 · 16.2.7

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-02-26
OpenCVESSVC decisionnone—
CNACVSS 3.18.2read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-863read 2026-10-23
FIRST EPSSEPSS score9.7 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2023-09-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-5009?

Is CVE-2023-5009 actively exploited?

Active exploitation of CVE-2023-5009 has not been confirmed. Its EPSS score was 9.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-5009?

CVE-2023-5009 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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