What is CVE-2026-82837?

CVE-2026-82837 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2026-09-15.

How severe is CVE-2026-82837?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in GitLab

CVE-2026-82837

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Gitlab

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

cve@gitlab.com
cve@gitlab.com (technical-description, permissions-required, exploit)
cve@gitlab.com

Frequently asked questions

What is CVE-2026-82837?: CVE-2026-82837 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2026-09-15.
How severe is CVE-2026-82837?: Medium severity. CVSS v3 base score is 5.3 out of 10.