{"cve":"CVE-2026-68930","nvd":{"published":"2026-08-03T17:16:44.843","modified":"2026-10-23T21:10:00.157","status":"Deferred","description":"Russh is a Rust SSH client & server library. Prior to 0.62.5, russh dispatches channel-scoped Handler callbacks for recipient channel IDs that were never opened or confirmed in russh/src/server/encrypted.rs, server_read_authenticated, and the exec_request callback. Version 0.62.5 fixes the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-666","CWE-696","CWE-863"],"references":["https://github.com/Eugeny/russh/commit/7c5659f8cf6f6f2f9989d12dba0ebf49dc50a171","https://github.com/Eugeny/russh/releases/tag/v0.62.5","https://github.com/Eugeny/russh/security/advisories/GHSA-m65r-rprj-r5rg","https://github.com/Eugeny/russh/security/advisories/GHSA-m65r-rprj-r5rg"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-68930","score":0.00376,"percentile":0.31288,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-m65r-rprj-r5rg","url":"https://osv.dev/vulnerability/GHSA-m65r-rprj-r5rg","summary":"Russh: Channel-scoped server callbacks can be reached without an open channel","modified":"2026-09-10T03:51:14.445371576Z","packages":[{"ecosystem":"crates.io","name":"russh","purl":"pkg:cargo/russh","ranges":["<0.62.5"],"fixed":["0.62.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}