{"cve":"CVE-2024-50336","nvd":{"published":"2024-11-12T17:15:09.680","modified":"2026-06-17T08:04:15.457","status":"Deferred","description":"matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver. Fixed in matrix-js-sdk 34.11.1.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","score":5.3},"cvss_v3":null,"cwes":["CWE-22"],"references":["https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr","https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5","https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:57:07.693694550+00:00"},"epss":{"cve":"CVE-2024-50336","score":0.00829,"percentile":0.5755,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xvg8-m4x3-w6xr","url":"https://osv.dev/vulnerability/GHSA-xvg8-m4x3-w6xr","summary":"matrix-js-sdk has insufficient MXC URI validation which allows client-side path traversal","modified":"2025-11-04T16:53:54Z","packages":[{"ecosystem":"npm","name":"matrix-js-sdk","purl":"pkg:npm/matrix-js-sdk","ranges":["<34.11.1"],"fixed":["34.11.1"]}]}],"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."]}