Vulnerabilities

Improper authorization in GitLab CE/EE affecting all versions since 13.0 allows guests in private projects to view CI/CD analytics

Improper validation of commit author in GitLab CE/EE affecting all versions allowed an attacker to make several pages in a project impossible to view

Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status

Improper authorization in GitLab CE/EE affecting all versions since 13.3 allowed users to view and delete impersonation tokens that administrators created for their account

A verbose error message in GitLab EE affecting all versions since 12.2 could disclose the private email address of a user invited to a group

Improper authorization on the pipelines page in GitLab CE/EE affecting all versions since 13.12 allowed unauthorized users to view some pipeline information for public projects that have access to pipelines restricted to members only

Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings

A confusion between tag and branch names in GitLab CE/EE affecting all versions since 13.7 allowed a Developer to access protected CI variables which should only be accessible to Maintainers

Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed

An issue has been discovered in GitLab affecting all versions starting with 13.3. GitLab was vulnerable to a stored XSS by using the design feature in issues.

A vulnerability was discovered in GitLab versions before 14.0.2, 13.12.6, 13.11.6. GitLab Webhook feature could be abused to perform denial of service attacks.

Under very specific conditions a user could be impersonated using Gitlab shell. This vulnerability affects GitLab CE/EE 13.1 and later through 14.1.2, 14.0.7 and 13.12.9.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.11 before 13.11.7, all versions starting from 13.12 before 13.12.8, and all versions starting from 14.0 before 14.0.4. A specially crafted design image allowed attackers to read arbitrary files on the server.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

Improper access control in GitLab EE versions 13.11.6, 13.12.6, and 14.0.2 allows users to be created via single sign on despite user cap being enabled

An information disclosure vulnerability in GitLab EE versions 13.10 and later allowed a user to read project details

A cross-site request forgery vulnerability in the GraphQL API in GitLab since version 13.12 and before versions 13.12.6 and 14.0.2 allowed an attacker to call mutations as the victim

Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Improper code rendering while rendering merge requests could be exploited to submit malicious code. This vulnerability affects GitLab CE/EE 9.3 and later through 13.11.6, 13.12.6, and 14.0.2.

A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it

A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.

Client-Side code injection through Feature Flag name in GitLab CE/EE starting with 11.9 allows a specially crafted feature flag name to PUT requests on behalf of other users via clicking on a link

An issue has been discovered in GitLab affecting all versions before 13.11.6, all versions starting from 13.12 before 13.12.6, and all versions starting from 14.0 before 14.0.2. Improper access control allows unauthorised users to access project details using Graphql.

Under certain conditions, some users were able to push to protected branches that were restricted to deploy keys in GitLab CE/EE since version 13.9

HTML injection was possible via the full name field before versions 13.11.6, 13.12.6, and 14.0.2 in GitLab CE

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.8. Under a special condition it was possible to access data of an internal repository through project fork done by a project member.

A denial of service vulnerability in GitLab CE/EE affecting all versions since 11.8 allows an attacker to create a recursive pipeline relationship and exhaust resources.

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled

A denial of service vulnerability in all versions of GitLab CE/EE before 13.12.2, 13.11.5 or 13.10.5 allows an attacker to cause uncontrolled resource consumption with a very long issue or merge request description

An issue has been discovered in GitLab affecting all versions starting with 13.10. GitLab was vulnerable to a stored XSS in blob viewer of notebooks.

An issue has been discovered in GitLab affecting all versions starting from 12.9.0 before 13.10.5, all versions starting from 13.11.0 before 13.11.5, all versions starting from 13.12.0 before 13.12.2. Insufficient expired password validation in various operations allow user to maintain limited access after their password expired

All versions of GitLab CE/EE starting from 9.5 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 allow a high privilege user to obtain sensitive information from log files because the sensitive information was not correctly registered for log masking.

A denial of service vulnerability in all versions of GitLab CE/EE before 13.12.2, 13.11.5 or 13.10.5 allows an attacker to cause uncontrolled resource consumption with a specially crafted issue or merge request

A cross-site leak vulnerability in the OAuth flow of all versions of GitLab CE/EE since 7.10 allowed an attacker to leak an OAuth access token by getting the victim to visit a malicious page with Safari

An information disclosure vulnerability in GitLab EE versions 13.11 and later allowed a project owner to leak information about the members' on-call rotations in other projects

All versions of GitLab CE/EE starting from 12.8 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.8. GitLab was not properly validating authorisation tokens which resulted in GraphQL mutation being executed.

An issue has been discovered in GitLab affecting versions starting with 13.5 up to 13.9.7. Improper permission check could allow the change of timestamp for issue creation or update.

An issue has been discovered in GitLab affecting all versions starting from 11.6. Pull mirror credentials are exposed that allows other maintainers to be able to view the credentials in plain-text,

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2. When querying the repository branches through API, GitLab was ignoring a query parameter and returning a considerable amount of results.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7. GitLab Dependency Proxy, under certain circumstances, can impersonate a user resulting in possibly incorrect access handling.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were passed to a file parser which resulted in a remote command execution.

An issue has been discovered in GitLab affecting all versions starting with 12.9. GitLab was vulnerable to a stored XSS if scoped labels were used.

A path traversal vulnerability via the GitLab Workhorse in all versions of GitLab could result in the leakage of a JWT token

An issue has been discovered in GitLab CE/EE affecting all previous versions. If the victim is an admin, it was possible to issue a CSRF in System hooks through the API.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.6. Under a special condition it was possible to access data of an internal repository through a public project fork as an anonymous user.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.6 where an infinite loop exist when an authenticated user with specific rights access a MR having source and target branch pointing to each other

An issue has been discovered in GitLab CE/EE affecting all versions from 13.8 and above allowing an authenticated user to delete incident metric images of public projects.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.9. A specially crafted import file could read files on the server.