Low 3.7Published Nov 6, 2023

CVE-2023-5831Insertion of Sensitive Information Into Sent Data in GitLab

Updated under an hour ago (2026-10-19 11:23 UTC)

Does this affect you?

It affects GitLab. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for GitLab

Exploited in the last 30 days

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.

CVSS: 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-201
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitLab
NVD analysis: Not yet received
Record last updated: Oct 11, 2026
First seen by InfoSec Signals: Oct 10, 2026

Affected products

Affected products

GitLab GitLab gitlab:gitlab	from 16.0 before 16.3.6; from 16.4 before 16.4.2; from 16.5 before 16.5.1	CNA record

References

https://gitlab.com/gitlab-org/gitlab/-/issues/428919issue-tracking

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.