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CVE Vulnerability Details :
CVE-2023-1555
PUBLISHED
More InfoOfficial Page
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
View Known Exploited Vulnerability (KEV) details
Published At-01 Sep, 2023 | 10:01
Updated At-20 Nov, 2025 | 04:06
Rejected At-
▼CVE Numbering Authority (CNA)
Missing Authorization in GitLab

An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.

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 15.2 before 16.1.5 (semver)
  • From 16.2 before 16.2.5 (semver)
  • From 16.3 before 16.3.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-262CWE-862: Missing Authorization
Type: CWE
CWE ID: CWE-262
Description: CWE-862: Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.12.7LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 2.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to versions 16.3.1, 16.2.5, 16.1.5 or above.

Configurations
Workarounds
Exploits
Credits
finder
Thanks [ali_shehab](https://hackerone.com/ali_shehab) 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/398587
issue-tracking
permissions-required
https://hackerone.com/reports/1911908
technical-description
exploit
permissions-required
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/398587
Resource:
issue-tracking
permissions-required
Hyperlink: https://hackerone.com/reports/1911908
Resource:
technical-description
exploit
permissions-required
▼Authorized Data Publishers (ADP)
1. 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
2. CVE Program Container
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
https://gitlab.com/gitlab-org/gitlab/-/issues/398587
issue-tracking
permissions-required
x_transferred
https://hackerone.com/reports/1911908
technical-description
exploit
x_transferred
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/398587
Resource:
issue-tracking
permissions-required
x_transferred
Hyperlink: https://hackerone.com/reports/1911908
Resource:
technical-description
exploit
x_transferred
Details not found