high8.7
CVE-2026-55094
Taskcluster is the task execution framework that supports Mozilla's continuous integration and release processes.
Impact
Taskcluster is the task execution framework that supports Mozilla's continuous integration and release processes. Prior to version 100.3.0, Taskcluster is vulnerable to unauthenticated RCE on Taskcluster deployments with an anonymous role that exposes the GraphQL endpoint and parses filter arguments using the sift library. This issue has been patched in version 100.3.0.
Affected packages
This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=2045091
- https://github.com/taskcluster/taskcluster/commit/a1b0154b8235937657c2ded127f193b564e2334b
- https://github.com/taskcluster/taskcluster/issues/8716
- https://github.com/taskcluster/taskcluster/pull/8718
- https://github.com/taskcluster/taskcluster/releases/tag/v100.3.0
- https://github.com/taskcluster/taskcluster/security/advisories/GHSA-ccv5-c45x-2q38