{"cve":"CVE-2026-55094","nvd":{"published":"2026-09-30T18:18:37.387","modified":"2026-09-30T20:17:32.590","status":"Deferred","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":null,"cwes":["CWE-20","CWE-94","CWE-95","CWE-250","CWE-306"],"references":["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"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:48.555445741+00:00"},"epss":{"cve":"CVE-2026-55094","score":0.00423,"percentile":0.36321,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}