CVE-2023-1204

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 12.9.8,...

4.3 MediumFix available

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.1 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A user could use an unverified email as a public email and commit email by sending a specifically crafted request on user update settings.

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: None
Integrity: Low
Availability: None

Exploit likelihood

0.51%Up 0.5 points since May 4, 2023

What each source reports

NVD Score used 4.3

Record: CVE-2023-1204
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-347
Updated: 2026-11-02

CVE List 4.3

Record: CVE-2023-1204
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-347
Updated: 2026-11-02

EUVDEUVD-2023-23483 4.3

Record: EUVD-2023-23483
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cf86-5cg9-6496 0.0

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 12.9.8,...

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 12.9.8, all versions starting from 12.10 before 12.10.7, all versions starting from 13.0 before 13.0.1. A user could use an unverified email as a public email and commit email by sending a specifically crafted request on user update settings.

Record: GHSA-cf86-5cg9-6496
CVSS 3.1: 0.0 NoneCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:N
Weakness: CWE-347
Updated: 2026-11-02

OSV 4.3

Record: CVE-2023-1204
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-1204 4.3

Record: UBUNTU-CVE-2023-1204
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2023-1204 No score

Record: BIT-gitlab-2023-1204
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	10.0.0 up to 12.9.8, 12.10.0 up to 12.10.7, 13.0.0 up to 13.0.1	12.9.812.10.713.0.1
`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 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-1204 is a medium vulnerability (CVSS 4.3) in Gitlab, published May 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. Fixed in gitlab 12.9.8.