GitLab EE <18.7.5/18.8.5/18.9.1: Devs alter protected Conan packages
CVE-2026-1747 Published on February 25, 2026
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.
Vulnerability Analysis
CVE-2026-1747 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-1747. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2026-1747
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Affected Versions
GitLab:- Version 17.11 and below 18.7.5 is affected.
- Version 18.8 and below 18.8.5 is affected.
- Version 18.9 and below 18.9.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.