CVE-2026-68930
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS probability
- 0.21%
- CWE
- CWE-666, CWE-696, CWE-863
- Published
- 2026-08-03
- Last modified
- 2026-08-03
Affected products
- Eugeny russh
Weakness type
Related vulnerabilities
- CVE-2026-15460 — Missing channel-state validation in Zephyr Bluetooth Classic L2CAP receive path