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.

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.

Published 2025-11-13 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.006 (47.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

go.dev/cl/700295 (Patch)
go.dev/issue/75178 (Exploit, Issue Tracking)
github.com/advisories/GHSA-56w8-48fp-6mgv (Third Party Advisory)
pkg.go.dev/vuln/GO-2025-4116 (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.