An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an unauthorized user to access custom service desk email addresses.

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.

GitLab CE/EE, versions 8.18 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an SSRF vulnerability in webhooks.

An issue was discovered in GitLab Community and Enterprise Edition 11.10 through 12.0.2. Unauthorized users were able to read pipeline information of the last merge request. It has Incorrect Access Control.

A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner

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.

An issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It allows Denial of Service. Inputting an overly long string into a Markdown field could cause a denial of service.

In all versions of GitLab CE/EE, certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

An improper access control check in GitLab CE/EE affecting all versions starting from 13.7 before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1 allows a malicious authenticated user to view a public project's Deploy Key's public fingerprint and name when that key has write permission. Note that GitLab never asks for nor stores the private key.

GitLab EE, version 11.5 before 11.5.1, is vulnerable to an insecure object reference issue that permits a user with Reporter privileges to view the Jaeger Tracing Operations page.

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.5 before 17.5.5, 17.6 before 17.6.3, and 17.7 before 17.7.1, in which unauthorized users could manipulate the status of issues in public projects.

Improper access control in GitLab CE/EE versions 12.4 to 14.5.4, 14.5 to 14.6.4, and 12.6 to 14.7.1 allows project non-members to retrieve the service desk email address

Serialization of sensitive data in GitLab EE affecting all versions from 14.9 prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 can leak sensitive information via cache

An issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It allows Information Disclosure (issue 1 of 6). An authorization issue allows the contributed project information of a private profile to be viewed.

User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 13.0.1

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. The profile activity page was not restricting the amount of results one could request, potentially resulting in a denial of service.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. It may be possible for an attacker to guess a user's password by brute force by sending crafted requests to a specific endpoint, even if the victim user has 2FA enabled on their account.

An issue has been discovered in GitLab affecting versions prior to 13.1.2, 13.0.8 and 12.10.13. GitLab was vulnerable to a stored XSS by using the PyPi files API.

Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs. This affects versions >=8.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.