What’s Vulnerable › Vulnerabilities

CVE-2026-82837: Insertion of Sensitive Information Into Sent Data in GitLab

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-28
• Weakness: CWE-201

Description

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.

Affected products

• GitLab: from 10.1.0 before 19.1.8; from 19.2.0 before 19.2.6; from 19.3.0 before 19.3.2 — fixed in 19.1.8, 19.2.6, 19.3.2

How to fix

Upgrade to a fixed version: GitLab 19.1.8, 19.2.6, 19.3.2. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/gitlab/-/work_items/610136
• https://gitlab.com/gitlab-org/gitlab/-/work_items/626540
• https://hackerone.com/reports/3907835

Get alerted when CVE-2026-82837 or the next vulnerability affects your stack