CVE-2023-2181

MEDIUM

6.5

CVSS Score

Published: May 12, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:51 AM UTC

1 product affected across 1 vendorGitLab

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.7%

SSVC

PoC

Description

An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

v < 15.10.7v < 15.11.3v < 15.9.815.10.0 ≤ v < 15.10.715.11.0 ≤ v < 15.11.3

Affected range stops below 15.10.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.11.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.9.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Third Party Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2181.json

Broken Link

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/407859

Permissions Required

Source: [email protected]

https://hackerone.com/reports/1938185

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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