An issue has been discovered in GitLab CE/EE affecting all versions before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A malicious project Maintainer may create a Project Access Token with Owner level privileges using a crafted request.

A Cross Site Request Forgery issue has been discovered in GitLab CE/EE affecting all versions before 15.6.7, all versions starting from 15.7 before 15.7.6, and all versions starting from 15.8 before 15.8.1. An attacker could take over a project if an Owner or Maintainer uploads a file to a malicious project.

In Gitlab EE/CE before 15.6.1, 15.5.5 and 15.4.6 using a branch with a hexadecimal name could override an existing hash.

A blind SSRF in GitLab CE/EE affecting all from 11.3 prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 allows an attacker to connect to local addresses when configuring a malicious GitLab Runner.

A blind SSRF vulnerability was identified in all versions of GitLab EE prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 which allows an attacker to connect to a local host.

An issue has been discovered in GitLab affecting all versions starting from 9.3 before 15.4.6, all versions starting from 15.5 before 15.5.5, all versions starting from 15.6 before 15.6.1. It was possible for a project maintainer to leak a webhook secret token by changing the webhook URL to an endpoint that allows them to capture request headers.

An issue has been discovered in GitLab affecting all versions starting from 9.3 before 15.4.6, all versions starting from 15.5 before 15.5.5, all versions starting from 15.6 before 15.6.1. It was possible for a project maintainer to unmask webhook secret tokens by reviewing the logs after testing webhooks.

An improper access control issue in GitLab CE/EE affecting all versions from 11.3 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allowed an unauthorized user to see release names even when releases we set to be restricted to project members only

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.4 prior to 15.5.7, 15.6 prior to 15.6.4, and 15.7 prior to 15.7.2. GitLab Pages allows redirection to arbitrary protocols.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. A malicious Maintainer can leak the sentry token by changing the configured URL in the Sentry error tracking settings page.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. A race condition can lead to verified email forgery and takeover of third-party accounts when using GitLab as an OAuth provider.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. GitLab allows unauthenticated users to download user avatars using the victim's user ID, on private instances that restrict public level visibility.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. A crafted Prometheus Server query can cause high resource consumption and may lead to Denial of Service.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 6.6 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in the submodule URL parser.

An uncontrolled resource consumption issue when parsing URLs in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to cause performance issues and potentially a denial of service on the GitLab instance.

Improper authorization in GitLab CE/EE affecting all versions from 7.14 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user retrying a job in a downstream pipeline to take ownership of the retried jobs in the upstream pipeline even if the user doesn't have access to that project.

An open redirect vulnerability in GitLab EE/CE affecting all versions from 9.3 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2, allows an attacker to redirect users to an arbitrary location if they trust the URL.

An open redirect in GitLab CE/EE affecting all versions from 10.1 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to trick users into visiting a trustworthy URL and being redirected to arbitrary content.

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2. It was possible to exploit a vulnerability in setting the labels colour feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.