VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published CVSS 5.3 mediumEPSS 80% probability of exploitation in 30 days
GitLab

CVE-2021-4191: An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2.

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 582 public reports, the first from .

How likely is exploitation in the next 30 days?
80%

EPSS score, percentile 99.6 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
5.3 Medium

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • >=14.8, <14.8.2
  • >=14.7, <14.7.4
  • >=13.0, <14.6.5

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
GitLab GitLab
StatusVersions
Affected>=14.8, <14.8.2
Affected>=14.7, <14.7.4
Affected>=13.0, <14.6.5

Source: CVE List, as of . About the data.

Timeline

DateEvent
CVE record published
CVE record last updated

References

3

Known exploited GitLab vulnerabilities

  • CVE-2026-97229: GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability (added )
  • CVE-2026-85706: GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability (added )
  • CVE-2021-22175: GitLab Server-Side Request Forgery (SSRF) Vulnerability (added )
  • CVE-2021-39935: GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability (added )
  • CVE-2023-7028: GitLab Community and Enterprise Editions Improper Access Control Vulnerability (added )