{"cve":"CVE-2025-27146","nvd":{"published":"2025-02-25T20:15:38.030","modified":"2026-06-17T09:03:05.900","status":"Analyzed","description":"matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":["CWE-77","CWE-88"],"references":["https://github.com/matrix-org/matrix-appservice-irc/commit/74f02c8e11f16ed1b355700092c1aa9c036a11bd","https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-5mvm-89c9-9gm5"],"products":["matrix:matrix_irc_bridge"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-27146","score":0.00396,"percentile":0.33866,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-5mvm-89c9-9gm5","url":"https://osv.dev/vulnerability/GHSA-5mvm-89c9-9gm5","summary":"Matrix IRC Bridge allows IRC command injection to own puppeted user","modified":"2025-02-25T21:46:09Z","packages":[{"ecosystem":"npm","name":"matrix-appservice-irc","purl":"pkg:npm/matrix-appservice-irc","ranges":["<3.0.4"],"fixed":["3.0.4"]}]}],"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."]}