{"id":"CVE-2026-42189","revision":"dc82ab3b47464eca99b0cf4250fa582b","records":[{"revision":"dc82ab3b47464eca99b0cf4250fa582b","observedAt":"2026-10-25T10:17:10.603+00:00","statement":{"source":"nvd","id":"CVE-2026-42189","aliases":[],"title":"Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based serv…","description":"Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth (e.g., for 2FA/TOTP) with a single malformed packet, requiring no credentials. This issue has been patched in version 0.60.1.","state":0,"publishedAt":"2026-05-08T20:16:31.443+00:00","modifiedAt":"2026-06-17T10:47:29.173+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/Eugeny/russh/commit/6c3c80a9b6d60763d6227d60fa8310e57172a4d1","https://github.com/Eugeny/russh/releases/tag/v0.60.1","https://github.com/Eugeny/russh/security/advisories/GHSA-f5v4-2wr6-hqmg"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42189","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-770","CWE-789"],"productCriteria":["cpe:2.3:a:russh_project:russh:*:*:*:*:*:rust:*:*","cpe:2.3:a:warpgate_project:warpgate:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-05-08T20:16:31.443","lastModified":"2026-06-17T10:47:29.173"},"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-2026-42189","identifiers":["CVE-2026-42189"]},"retained":false,"historicalAffected":[]}],"coverage":[]}