What is the severity of CVE-2026-6515?

CVE-2026-6515 has a CVSS Base Score of 5.4/10 and is classified as Medium severity. It is important to assess the risk based on your specific environment.

How do I fix CVE-2026-6515?

Remediation typically involves updating the affected software products to the latest patched version. Refer to the 'Affected Products' and 'Remediation' sections on this page for specific mitigation steps and vendor advisories.

Home→Vulnerabilities→CVE-2026-6515

Disclosed

CVE-2026-6515

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed a user to use invalidated or incorrectly scoped credentials to access Virtual Registries under certain conditions.

Share this vulnerability:

Exploitation Probability (EPSS)

Low Priority

0.01%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events

Apr 22, 2026

Vulnerability Disclosed

Published to component-level vulnerability database.

Apr 23, 2026

Last Updated

Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL

Associated Groups:Lazarus Group, APT28

Ransomware Campaigns:LockBit 3.0, BlackCat

IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

2 Total

gitlab/gitlabAll Versions

gitlab/gitlab18.11.0

References

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/Gitlab

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/595993Gitlab

Broken Link

Am I Vulnerable?

Check your domain or package.json for CVE-2026-6515 exposure.

Share This Page

Help others discover this vulnerability information

Vulnerability Details

CVSS Base Score

5.4/ 10

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Published Date

Apr 22, 2026

Last Modified

Apr 23, 2026

Need API Access?

Integrate this data into your SOAR platform.

View Plans →

Need Manual Validation?

Automated scanners flag false positives. Get a manual pentest validation for this CVE.