CVE-2024-50336

5.3 mediumEPSS 0.8%

Medium (5.3). EPSS 0.8% chance of exploitation in the next 30 days. Fixed in matrix-js-sdk 34.11.1.

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.

Severity

CVSS 4.0

5.3 medium

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2024-11-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-xvg8-m4x3-w6xr	npm	matrix-js-sdk	<34.11.1	34.11.1

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

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