{"id":"EUVD-2026-111387","enisaUuid":"a8a431ed-ded8-333d-98d2-89050bbfb8e8","description":"russh is a Rust SSH client and server library that includes an SSH agent protocol implementation. Prior to 0.65.0, russh::keys::agent::server::serve in russh/src/keys/agent/server.rs accepts repeated SSH_AGENT_CONSTRAIN_CONFIRM records while adding a key and appends every Constraint::Confirm record to the key\u0027s retained constraint vector without a count or memory limit. A process that can connect to the agent socket, including the remote side of a forwarded agent session, can repeatedly add constrained keys and cause renewable memory growth that persists for the process lifetime because keys without a lifetime constraint do not expire. This issue is fixed in version 0.65.0.","datePublished":"Oct 27, 2026, 8:14:32 PM","dateUpdated":"Oct 27, 2026, 8:14:32 PM","baseScore":3.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","references":"https://github.com/Eugeny/russh/security/advisories/GHSA-9wfm-jcj8-jfv9\nhttps://github.com/Eugeny/russh/commit/23aa5d28fe9601c5bdfe9e60b7ec5d4f882c3de6\nhttps://github.com/Eugeny/russh/releases/tag/v0.65.0\n","aliases":"CVE-2026-116696\n","assigner":"GitHub_M","epss":0.11,"enisaIdProduct":[{"id":"acdb6f25-6605-36a2-8a2f-9cd838ec6a89","product":{"name":"russh","vendor":{"name":"Eugeny"}},"product_version":"\u003c 0.65.0"}],"enisaIdVendor":[{"id":"ad592209-c471-3bad-93c3-0dd72e2d260a","vendor":{"name":"Eugeny"}}],"enisaIdVulnerability":[{"id":"5068b2e9-71c9-34f2-b5a5-25865cdb4123","vulnerability":{"id":"CVE-2026-116696","description":"russh is a Rust SSH client and server library that includes an SSH agent protocol implementation. Prior to 0.65.0, russh::keys::agent::server::serve in russh/src/keys/agent/server.rs accepts repeated SSH_AGENT_CONSTRAIN_CONFIRM records while adding a key and appends every Constraint::Confirm record to the key\u0027s retained constraint vector without a count or memory limit. A process that can connect to the agent socket, including the remote side of a forwarded agent session, can repeatedly add constrained keys and cause renewable memory growth that persists for the process lifetime because keys without a lifetime constraint do not expire. This issue is fixed in version 0.65.0.","datePublished":"Oct 27, 2026, 8:14:32 PM","dateUpdated":"Oct 27, 2026, 8:14:32 PM","status":"PUBLISHED","baseScore":3.3,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","references":"https://github.com/Eugeny/russh/security/advisories/GHSA-9wfm-jcj8-jfv9\nhttps://github.com/Eugeny/russh/commit/23aa5d28fe9601c5bdfe9e60b7ec5d4f882c3de6\nhttps://github.com/Eugeny/russh/releases/tag/v0.65.0\n","enisa_id":"EUVD-2026-111387\n","assigner":"GitHub_M","epss":0.11,"dataProcessed":"Oct 30, 2026, 7:15:29 AM","vulnerabilityProduct":[{"id":"2776de90-593d-3cf8-8e9e-439e4894c95a","product":{"name":"russh","vendor":{"name":"Eugeny"}},"product_version":"\u003c 0.65.0"}],"vulnerabilityVendor":[{"id":"2c184484-c874-302e-907c-5d7cb866b15b","vendor":{"name":"Eugeny"}}]}}],"enisaIdAdvisory":[]}