A Regular Expression Denial of Service vulnerability in GitLab CE/EE affecting all versions from 1.0.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows an attacker to make a GitLab instance inaccessible via specially crafted web server response headers

Improper access control in the runner jobs API in GitLab CE/EE affecting all versions prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows a previous maintainer of a project with a specific runner to access job and project meta data under certain conditions

Improper access control in the CI/CD cache mechanism in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 allows a malicious actor with Developer privileges to perform cache poisoning leading to arbitrary code execution in protected branches

Missing sanitization of data in Pipeline error messages in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 allows for rendering of attacker controlled HTML tags and CSS styling

Missing input masking in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 causes potentially sensitive integration properties to be disclosed in the web interface

An issue has been discovered in GitLab affecting all versions before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was incorrectly verifying throttling limits for authenticated package requests which resulted in limits not being enforced.

Improper input validation in GitLab CE/EE affecting all versions from 8.12 prior to 14.8.6, all versions from 14.9.0 prior to 14.9.4, and 14.10.0 allows a Developer to read protected Group or Project CI/CD variables by importing a malicious project

An improper authorization issue has been discovered in GitLab CE/EE affecting all versions prior to 14.8.6, all versions from 14.9.0 prior to 14.9.4, and 14.10.0, allowing Guest project members to access trace log of jobs when it is enabled

Improper access control in GitLab CE/EE affecting all versions starting from 8.12 before 14.8.6, all versions starting from 14.9 before 14.9.4, and all versions starting from 14.10 before 14.10.1 allows non-project members to access contents of Project Members-only Wikis via malicious CI jobs

Missing sanitization of logged exception messages in all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 of GitLab CE/EE causes potential sensitive values in invalid URLs to be logged

Improper handling of user input in GitLab CE/EE versions 8.3 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allowed an attacker to exploit a stored XSS by abusing multi-word milestone references in issue descriptions, comments, etc.

A lack of appropriate timeouts in GitLab Pages included in GitLab CE/EE all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allows an attacker to cause unlimited resource consumption.

Missing filtering in an error message in GitLab CE/EE affecting all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 exposed sensitive information when an include directive fails in the CI/CD configuration.

Adding a very large number of tags to a runner in GitLab CE/EE affecting all versions prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allows an attacker to impact the performance of GitLab

Incorrect authorization in the Asana integration's branch restriction feature in all versions of GitLab CE/EE starting from version 7.8.0 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 makes it possible to close Asana tasks from unrestricted branches.

A DNS rebinding vulnerability in the Irker IRC Gateway integration in all versions of GitLab CE/EE since version 7.9 allows an attacker to trigger Server Side Request Forgery (SSRF) attacks.

In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

An issue has been discovered in GitLab CE/EE affecting all versions starting with version 8.10. It was possible to trigger a timeout on a page with markdown by using a specific amount of block-quotes.

An issue has been discovered affecting GitLab versions prior to 14.4.5, between 14.5.0 and 14.5.3, and between 14.6.0 and 14.6.1. GitLab does not validate SSL certificates for some of external CI services which makes it possible to perform MitM attacks on connections to these external services.

An issue has been discovered in GitLab affecting all versions starting from 7.7 before 14.4.5, all versions starting from 14.5.0 before 14.5.3, all versions starting from 14.6.0 before 14.6.2. GitLab was vulnerable to a Cross-Site Request Forgery attack that allows a malicious user to have their GitHub project imported on another GitLab user account.