CVE-2026-46595

Summary

golang.org/x/crypto/ssh: Invoking VerifiedPublicKeyCallback permissions skip enforcement

Severity

critical

CVSS

10

EPSS

0.5% (p41)

CWE

CWE-863

Also known as

GHSA-x527-x647-q7gg, GO-2026-5023

Published

2026-06-25

Updated

2026-06-25

Advisory details

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.

References

• https://github.com/advisories/GHSA-x527-x647-q7gg
• https://nvd.nist.gov/vuln/detail/CVE-2024-45337
• https://nvd.nist.gov/vuln/detail/CVE-2026-46595
• https://go.dev/cl/781642
• https://go.dev/issue/79570
• https://groups.google.com/g/golang-announce/c/a082jnz-LvI
• https://pkg.go.dev/vuln/GO-2026-5023

Related advisories

• CVE-2026-39834 — critical · Go/golang.org/x/crypto/ssh
• CVE-2026-39831 — critical · Go/golang.org/x/crypto/ssh
• CVE-2026-39830 — critical · Go/golang.org/x/crypto/ssh
• CVE-2026-39829 — high · Go/golang.org/x/crypto/ssh
• CVE-2026-46597 — high · Go/golang.org/x/crypto/ssh
• CVE-2026-39827 — medium · Go/golang.org/x/crypto/ssh
• CVE-2026-39835 — medium · Go/golang.org/x/crypto/ssh
• CVE-2026-39828 — medium · Go/golang.org/x/crypto/ssh

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