No exploitation reportedFix available

CVE-2023-5207

Q: Is CVE-2023-5207 actively exploited?

Active exploitation of CVE-2023-5207 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-5207?

CVE-2023-5207 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-09-30
Fixed in16.3.5 · 16.2.8
WeaknessCWE-250

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

A vulnerability was discovered in GitLab CE and EE affecting all versions starting 16.0 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. An authenticated attacker could perform arbitrary pipeline execution under the context of another user.

Timeline

dates in UTC

2023-09-3009:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2023-5207?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-5207?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

GitLab

Branch	Affected	Fixed in	Source
16.3	≥ 16.3.0, < 16.3.5	16.3.5	NVD
16.x	≥ 16.0.0, < 16.2.8	16.2.8	NVD
16.4	= 16.4.0	no fix published	NVD

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

Fix

Update GitLab to 16.3.5 · 16.2.8

Detection

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

Sources

CISA-ADPSSVC decisionnone2024-07-24
OpenCVESSVC decisionnone—
CNACVSS 3.18.2read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
CNAweakness (CWE)CWE-250read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2023-09-30
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-5207?

Is CVE-2023-5207 actively exploited?

Active exploitation of CVE-2023-5207 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-5207?

CVE-2023-5207 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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