CVE-2025-47913: high-severity vulnerability in golang.org/x/crypto/ssh/agent
Potential denial of service in golang.org/x/crypto/ssh/agent
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.7%
exploitation probability
0.7%top 48% of all CVEs
observed exploitation
nono source reports it
SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
golang.org/x/crypto · golang.org/x/crypto/ssh/agentRelated CVEs — golang.org/x/crypto/ssh/agent
In the same product, most dangerous first.
CVE-2026-39832CRITICALInvoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agentEPSS 0.7%CVE-2025-47914MEDIUMMalformed constraint may cause denial of service in golang.org/x/crypto/ssh/agentEPSS 0.5%CVE-2026-39833CRITICALInvoking key constraints not enforced in golang.org/x/crypto/ssh/agentEPSS 0.5%CVE-2026-46598MEDIUMInvoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agentEPSS 0.4%