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Fencer Vulns
medium 4.3

CVE-2025-4976 json

Exposure of Sensitive Information Due to Incompatible Policies in GitLab

published 2025-07-24 15 mo ago modified 2026-09-10 59 d ago also BIT-gitlab-2025-4976 , EUVD-2025-22481

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An issue has been discovered in GitLab EE affecting all versions from 17.0 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under certain circumstances, could have allowed an attacker to access internal notes in GitLab Duo responses.

Patch / fix

  • bitnami gitlab 18.0.5, 18.1.3, 18.2.1
  • GitLab GitLab 18.0.5, 18.1.3, 18.2.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/3149956 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=17.0.0, <18.0.5
>=18.1.0, <18.1.3
>=18.2.0, <18.2.1
18.0.5
18.1.3
18.2.1

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-213 Exposure of Sensitive Information Due to Incompatible Policies
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.