CVE-2025-49090 json
The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.
published 2025-10-02 13 mo ago modified 2026-10-12 27 d ago also EUVD-2025-32573
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.
Patch / fix
- Matrix Matrix specification 1.16
- matrix-synapse openSUSE Tumbleweed 1.136.0-1.1
opensuse advisories openSUSE-SU-2025:15436-1
- synapse Alpine 3.24, Alpine 3.23, Alpine 3.22 1.135.1-r0
alpine advisories ALPINE-CVE-2025-49090
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L |
Affected products
- Matrix Matrix specification
Classification
- Weakness
-
- CWE-642 External Control of Critical State Data
References
Sources
- CVE List CVE-2025-49090
- NVD CVE-2025-49090
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.