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Vulnerabilities

Vulnerability · CVE-2025-4278

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2.

Published Jun 12, 2025 · catalog updated Jun 12, 2025 · GitLab GitLab

Check this week

CVE-2025-4278 is not in CISA KEV. FIRST estimates a 10.88% chance of exploitation in the next 30 days. Check whether you run GitLab GitLab.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.88%
Remediation
Version ranges on file
Affected products
vendor GitLab GitLab 18.0 <18.0.2

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor GitLab GitLab 18.0 <18.0.218.0 <18.0.2

How to fix CVE-2025-4278

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-4278 is not in CISA KEV. FIRST estimates a 10.88% chance of exploitation in the next 30 days. Check whether you run GitLab GitLab.

Which versions are affected?

Compare what you have installed with GitLab GitLab 18.0 <18.0.2 18.0 <18.0.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 10.88%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 12, 2025 · EUVD

    Detected

    An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

  2. Jun 12, 2025 · EUVD

    Updated

    An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

Sources

  • CVE.orgVulnerability recordCVE-2025-4278

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4278

    30-day exploitation probability 10.9%

    first.org
  • EUVDVulnerability recordEUVD-2025-18169

    An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.