Vulnerability in Go Ssh

CVE-2025-47913

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Go Ssh
Golang.org/x/crypto Golang.org/x/crypto/ssh/agent — versions 0

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

security@golang.org (Patch)
security@golang.org (Exploit, Issue Tracking)
security@golang.org (Third Party Advisory)
security@golang.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-47913?: CVE-2025-47913 is a high-severity vulnerability in Go Ssh, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2025-11-13.
How severe is CVE-2025-47913?: High severity. CVSS v3 base score is 7.5 out of 10.