Vulnerability · Published Sep 16, 2025 · Assigned by GitHub_M

CVE-2025-59160matrix-js-sdk has insufficient validation when considering a room to be upgraded by another

Low 2.7

In plain English

A low-severity insufficient verification of data authenticity in matrix-js-sdk from matrix-org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)2.7Low

Exploit odds (30 days)0.2%top 84.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Matrix JavaScript SDK is a Matrix Client-Server SDK for JavaScript and TypeScript. matrix-js-sdk before 38.2.0 has insufficient validation of room predecessor links in MatrixClient::getJoinedRooms, allowing a remote attacker to attempt to replace a tombstoned room with an unrelated attacker-supplied room. The issue has been patched and users should upgrade to 38.2.0. A workaround is to avoid using MatrixClient::getJoinedRooms in favor of getRooms() and filtering upgraded rooms separately.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	node-matrix-js-sdk	no fix listed	UBUNTU-CVE-2025-59160
Ubuntu:24.04:LTS	node-matrix-js-sdk	no fix listed	UBUNTU-CVE-2025-59160
npm	matrix-js-sdk	38.2.0	GHSA-mp7c-m3rh-r56v

Affected products (as reported)

Vendor	Product	Versions
matrix-org	matrix-js-sdk	< 38.2.0

Weakness: CWE-345 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

References

https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mp7c-m3rh-r56v x_refsource_CONFIRM
https://github.com/matrix-org/matrix-js-sdk/commit/43c72d5bf5e2d0a26b3b4f71092e7cb39d4137c4 x_refsource_MISC