Improper input validation in all versions of GitLab CE/EE using sendmail to send emails allowed an attacker to steal environment variables via specially crafted email addresses.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 8.15 . It was possible to trigger a DOS by using the math feature with a specific formula in issue comments.

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.

Inaccurate display of Snippet files containing special characters in all versions of GitLab CE/EE allows an attacker to create Snippets with misleading content which could trick unsuspecting users into executing arbitrary commands

An issue has been discovered in GitLab affecting all versions starting from 14.6 before 14.6.5, all versions starting from 14.7 before 14.7.4, all versions starting from 14.8 before 14.8.2. GitLab was leaking user passwords when adding mirrors with SSH credentials under specific conditions.

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 in GitLab CE/EE affecting all versions starting from 11.4 before 14.5.4, all versions starting from 14.6 before 14.6.4, all versions starting from 14.7 before 14.7.1. GitLab search may allow authenticated users to search other users by their respective private emails even if a user set their email to private.

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 14.5.4, all versions starting from 10.1 before 14.6.4, all versions starting from 10.2 before 14.7.1. Private project paths can be disclosed to unauthorized users via system notes when an Issue is closed via a Merge Request and later moved to a public project

A vulnerability was discovered in GitLab versions 10.5 to 14.5.4, 14.6 to 14.6.4, and 14.7 to 14.7.1. GitLab was vulnerable to a blind SSRF attack through the Project Import feature.

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.

In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.

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.

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's Slack integration is incorrectly validating user input and allows to craft malicious URLs that are sent to slack.

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 allows a user with an expired password to access sensitive information through RSS feeds.

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 is configured in a way that it doesn't ignore replacement references with git sub-commands, allowing a malicious user to spoof the contents of their commits in the UI.

Server side request forgery protections in GitLab CE/EE versions between 8.4 and 14.4.4, between 14.5.0 and 14.5.2, and between 14.6.0 and 14.6.1 would fail to protect against attacks sending requests to localhost on port 80 or 443 if GitLab was configured to run on a port other than 80 or 443

Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A permissions validation flaw allowed group members with a developer role to elevate their privilege to a maintainer on projects they import

A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands