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Fencer Vulns
medium 4.3

CVE-2025-13978 json

Generation of Error Message Containing Sensitive Information in GitLab

published 2025-12-11 10 mo ago modified 2026-10-14 25 d ago also BIT-gitlab-2025-13978 , EUVD-2025-202660

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.

Patch / fix

  • bitnami gitlab 18.4.6, 18.5.4, 18.6.2
  • GitLab GitLab 18.4.6, 18.5.4, 18.6.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

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
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
>=17.5.0, <18.4.6
>=18.5.0, <18.5.4
>=18.6.0, <18.6.2
18.4.6
18.5.4
18.6.2

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information
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.