CVE-2023-3399: Insertion of Sensitive Information Into Sent Data in GitLab
This GitLab advisory covers CVE-2023-3399 in GitLab.
- CVE-2023-3399
Key facts
- Vendor rating
- High, CVSS 8.5
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N· base score 8.5, scored by GitLabAttack vector: network. Attack complexity: low. Privileges required: low. User interaction: none. Scope: changed. Confidentiality impact: high. Integrity impact: low. Availability impact: none.- Weakness
- CWE-201: Insertion of Sensitive Information Into Sent Data
- CISA SSVC
- Exploitation: proof of concept exists. Automatable: no. Technical impact: partial. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Affected
- GitLab 11.6 before 16.3.6; GitLab 16.4 before 16.4.2; GitLab 16.5 before 16.5.1
- Fixed in
- 16.3.6, 16.4.2, 16.5.1
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
An issue has been discovered in GitLab EE affecting all versions starting from 11.6 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible for an unauthorised project or group member to read the CI/CD variables using the custom project templates.
Text from the source record.
- GitLab 11.6 before 16.3.6
- GitLab 16.4 before 16.4.2
- GitLab 16.5 before 16.5.1
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2023-3399
Upgrade to a fixed release named by GitLab:
- 16.3.6
- 16.4.2
- 16.5.1
More GitLab advisories
CVE-2026-110264Oct 22, 2026issue has been discovered in GitLab CE/EECVE-2026-12664Oct 21, 2026GitLab CE/EE vulnerabilityCVE-2026-13319Oct 21, 2026GitLab improper access controlCVE-2026-14288Oct 21, 2026GitLab improper access controlCVE-2026-15723Oct 21, 2026GitLab CE/EE vulnerabilityCVE-2026-16255Oct 21, 2026GitLab EE vulnerability
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