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CVE Vulnerability Details :
CVE-2026-1747
PUBLISHED
More InfoOfficial Page
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
View Known Exploited Vulnerability (KEV) details
Published At-25 Feb, 2026 | 20:04
Updated At-26 Feb, 2026 | 15:39
Rejected At-
▼CVE Numbering Authority (CNA)
Authentication Bypass Using an Alternate Path or Channel in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.

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 17.11 before 18.7.5 (semver)
  • From 18.8 before 18.8.5 (semver)
  • From 18.9 before 18.9.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-288CWE-288: Authentication Bypass Using an Alternate Path or Channel
Type: CWE
CWE ID: CWE-288
Description: CWE-288: Authentication Bypass Using an Alternate Path or Channel
Metrics
VersionBase scoreBase severityVector
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to versions 18.7.5, 18.8.5, 18.9.1 or above.

Configurations
Workarounds
Exploits
Credits
finder
Thanks [modhanami](https://hackerone.com/modhanami) 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/588385
issue-tracking
permissions-required
https://hackerone.com/reports/3533088
technical-description
exploit
permissions-required
https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
N/A
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/issues/588385
Resource:
issue-tracking
permissions-required
Hyperlink: https://hackerone.com/reports/3533088
Resource:
technical-description
exploit
permissions-required
Hyperlink: https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
Resource: N/A
▼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
Details not found