CVE-2022-3291

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15...

6.5 MediumFix available

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.90%Unchanged since Oct 18, 2022

What each source reports

CVE List Score used 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: CVE-2022-3291
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2022-42686 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: EUVD-2022-42686
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hgr5-p9jr-23mm 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15...

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: GHSA-hgr5-p9jr-23mm
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-502
Updated: 2026-11-02

NVD 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: CVE-2022-3291
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-502
Updated: 2026-11-02

OSV 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: CVE-2022-3291
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-3291 6.5

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: UBUNTU-CVE-2022-3291
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2022-3291 No score

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

Record: BIT-gitlab-2022-3291
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	14.9.0 up to 15.2.5, 15.3.0 up to 15.3.4, 15.4.0 up to 15.4.1	15.2.515.3.415.4.1
`gitlab` Ubuntu:16.04:LTS	All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-3291 is a medium vulnerability (CVSS 6.5) in Gitlab, published October 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. Fixed in gitlab 15.2.5.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References