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

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-46595
StatePUBLISHED
AssignerGo
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-22 04:16:25 UTC
Updated2026-05-28 14:44:43 UTC
DescriptionPreviously, 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.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

EPSS: 0.000520000 probability, percentile 0.164210000 (date 2026-06-02)

Problem Types: CWE-863 | CWE-863: Incorrect Authorization | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Golang Crypto All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Golang.orgxcrypto Golang.org/x/crypto/ssh affected 0.52.0 semver Not specified

References

ReferenceSourceLinkTags
groups.google.com/g/golang-announce/c/a082jnz-LvI [email protected] groups.google.com Mailing List
go.dev/issue/79570 [email protected] go.dev Issue Tracking
go.dev/cl/781642 [email protected] go.dev Issue Tracking
pkg.go.dev/vuln/GO-2026-5023 [email protected] pkg.go.dev Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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