CVE-2026-46598

Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent

MEDIUM
5.3
CVSS Score
Published: May 22, 2026 at 02:31 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
2 products affected across 2 vendorsCryptoSSH Agent

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.52.0
Affected range stops below 0.52.0, so it looks safe — our inference, not a vendor statement
v < 0.52.0
Affected range stops below 0.52.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Issue Tracking
Source: cverecord
https://go.dev/issue/79596
Issue Tracking
Source: cverecord
https://go.dev/cl/781360
Vendor Advisory
Source: cverecord
https://pkg.go.dev/vuln/GO-2026-5033

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-129

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