Summary
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um einen Denial of Service Angriff durchzuführen, um einen Cross-Site Scripting Angriff durchzuführen, und um Dateien zu manipulieren.
Product
GitLab ist eine Webanwendung zur Versionsverwaltung für Softwareprojekte auf Basis von git.
Vulnerabilities 9
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High 8.0
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid…
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High 7.5
Improper Validation of Specified Quantity in Input in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted files to the cont…
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High 7.5
Inefficient Regular Expression Complexity in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause regular expression denial of service by sending specially crafted…
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High 7.5
Allocation of Resources Without Limits or Throttling in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.4 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause Denial of Service by sending specially crafted requests to the J…
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Medium 6.5
Allocation of Resources Without Limits or Throttling in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have, under certain circumstances, allowed an authenticated user with certain access to cause Denial of Service…
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Medium 6.5
Allocation of Resources Without Limits or Throttling in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an authenticated user to cause denial of service by exploiting a Bitbucket Server import endpoint v…
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Medium 5.3
Allocation of Resources Without Limits or Throttling in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting versions from 18.9 before 18.9.1 that could have under certain conditions, allowed an unauthenticated user to cause denial of service by sending specially crafted requests to a CI jobs API endpoint.
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Medium 4.3
Missing Authorization in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthorized user with Developer-role permissions to set pipeline variables for manually trigg…
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Medium 4.3
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 m…
Revision history
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#1
Initiale Fassung
References
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GitLab Patch Release: 18.9.1, 18.8.5, 18.7.5 vom 2026-02-25
https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/