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Vulnerability Details :

CVE-2025-5101

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-27 Aug, 2025 | 19:33
Updated At-27 Aug, 2025 | 19:53
Rejected At-
Credits

Improper Control of Generation of Code ('Code Injection') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:27 Aug, 2025 | 19:33
Updated At:27 Aug, 2025 | 19:53
Rejected At:
▼CVE Numbering Authority (CNA)
Improper Control of Generation of Code ('Code Injection') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.

Affected Products
Vendor
GitLab Inc.GitLab
Product
GitLab
Repo
git://git@gitlab.com:gitlab-org/gitlab.git
CPEs
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 0 before 18.1.5 (semver)
  • From 18.2 before 18.2.5 (semver)
  • From 18.3 before 18.3.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-94CWE-94: Improper Control of Generation of Code ('Code Injection')
Type: CWE
CWE ID: CWE-94
Description: CWE-94: Improper Control of Generation of Code ('Code Injection')
Metrics
VersionBase scoreBase severityVector
3.15.0MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to versions 18.1.5, 18.2.5, 18.3.1 or above.

Configurations
Workarounds
Exploits
Credits
finder
Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://gitlab.com/gitlab-org/gitlab/-/issues/545165
issue-tracking
permissions-required
https://hackerone.com/reports/3124199
technical-description
exploit
permissions-required
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/545165
Resource:
issue-tracking
permissions-required
Hyperlink: https://hackerone.com/reports/3124199
Resource:
technical-description
exploit
permissions-required
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:27 Aug, 2025 | 20:15
Updated At:27 Aug, 2025 | 20:15

An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.0MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-94Primarycve@gitlab.com
CWE ID: CWE-94
Type: Primary
Source: cve@gitlab.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gitlab.com/gitlab-org/gitlab/-/issues/545165cve@gitlab.com
N/A
https://hackerone.com/reports/3124199cve@gitlab.com
N/A
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/545165
Source: cve@gitlab.com
Resource: N/A
Hyperlink: https://hackerone.com/reports/3124199
Source: cve@gitlab.com
Resource: N/A

Change History

0
Information is not available yet

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