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Fencer Vulns
low 2.6

CVE-2021-39886 json

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up…

published 2021-10-05 5 y ago modified 2026-09-08 2 mo ago also BIT-gitlab-2021-39886 , EUVD-2021-26242

cvss
2.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic references.

Patch / fix

  • bitnami gitlab 14.1.7, 14.2.5, 14.3.1
  • gitlab gitlab 14.1.7, 14.2.5, 14.3.1
  • gitlab gitlab_enterprise 14.1.7, 14.2.5, 14.3.1
  • gitlab Arch Linux 14.3.1-1

arch linux advisories AVG-2431

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/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
>=10.6.0, <14.1.7
>=14.2.0, <14.2.5
>=14.3.0, <14.3.1
14.1.7
14.2.5
14.3.1

Affected products

  • GitLab GitLab

Classification

Weakness
  • CWE-276 Incorrect Default Permissions
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: Enhance with deb and rpm package type records.