{"id":"CVE-2025-48937","revision":"544bf556156c4c09b8f4fcac9a048deb","records":[{"revision":"544bf556156c4c09b8f4fcac9a048deb","observedAt":"2026-10-25T02:25:01.737+00:00","statement":{"source":"nvd","id":"CVE-2025-48937","aliases":[],"title":"matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operato…","description":"matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those events appear to the recipient as if they were sent by another user. This vulnerability is fixed in 0.11.1 and 0.12.0.","state":0,"publishedAt":"2025-06-10T16:15:41.67+00:00","modifiedAt":"2026-06-17T09:30:30.947+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","score":4.9,"severity":"MEDIUM"}],"references":["https://github.com/matrix-org/matrix-rust-sdk/commit/13c1d2048286bbabf5e7bc6b015aafee98f04d55","https://github.com/matrix-org/matrix-rust-sdk/commit/56980745b4f27f7dc72ac296e6aa003e5d92a75b","https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-x958-rvg6-956w","https://spec.matrix.org/v1.14/client-server-api/#mmegolmv1aes-sha2"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-48937","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-290"],"productCriteria":[],"sourceDates":{"published":"2025-06-10T16:15:41.670","lastModified":"2026-06-17T09:30:30.947"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-48937","identifiers":["CVE-2025-48937"]},"retained":false,"historicalAffected":[]}],"coverage":[]}