Public proof of conceptFix available

CVE-2023-0518

Q: Is CVE-2023-0518 actively exploited?

A proof-of-concept exploit exists for CVE-2023-0518, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2023-0518?

CVE-2023-0518 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

A public proof of concept exists; no exploitation attested.

Published2023-02-13
Fixed in15.8.1 · 15.7.6 · 15.6.7
WeaknessCWE-400

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 CE/EE affecting all versions starting from 14.0 before 15.6.7, all versions starting from 15.7 before 15.7.6, all versions starting from 15.8 before 15.8.1. It was possible to trigger a DoS attack by uploading a malicious Helm chart.

Timeline

dates in UTC

2023-02-1323:15CVE 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-2023-0518?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-0518?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
15.8	≥ 15.8, < 15.8.1	15.8.1	NVD
15.8	≥ 15.8.0, < 15.8.1	15.8.1	OSV
15.7	≥ 15.7, < 15.7.6	15.7.6	NVD
15.7	≥ 15.7.0, < 15.7.6	15.7.6	OSV
15.6	≥ 14.0, < 15.6.7	15.6.7	NVD
15.6	≥ 14.0.0, < 15.6.7	15.6.7	OSV

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

Fix

Update GitLab to 15.8.1 · 15.7.6 · 15.6.7

Advisories and patches

gitlab.comVendor Advisory

Detection

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

Sources

CISA-ADPSSVC decisionpoc2025-03-21
OpenCVESSVC decisionpoc—
CNACVSS 3.14.3read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CISA-ADPweakness (CWE)CWE-4002025-03-21
FIRST EPSSEPSS score1.2 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2023-02-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-0518?

Is CVE-2023-0518 actively exploited?

A proof-of-concept exploit exists for CVE-2023-0518, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-0518?

CVE-2023-0518 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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