CVE-2026-46595

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

Published May 22, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-x527-x647-q7gg golang.org/x/crypto: Invoking VerifiedPublicKeyCallback permissions skip enforcement
Ubuntu USN Ubuntu USN USN-8447-3 Google Guest Agent vulnerabilities
References
Link Providers
https://access.redhat.com/errata/RHSA-2026:23262 cve-icon
https://access.redhat.com/errata/RHSA-2026:23264 cve-icon
https://access.redhat.com/errata/RHSA-2026:26546 cve-icon
https://access.redhat.com/errata/RHSA-2026:26547 cve-icon
https://access.redhat.com/errata/RHSA-2026:30650 cve-icon
https://access.redhat.com/errata/RHSA-2026:30651 cve-icon
https://access.redhat.com/errata/RHSA-2026:33524 cve-icon
https://access.redhat.com/errata/RHSA-2026:33531 cve-icon
https://access.redhat.com/errata/RHSA-2026:36207 cve-icon
https://access.redhat.com/errata/RHSA-2026:36648 cve-icon
https://access.redhat.com/errata/RHSA-2026:36651 cve-icon
https://access.redhat.com/errata/RHSA-2026:36796 cve-icon
https://access.redhat.com/errata/RHSA-2026:36797 cve-icon
https://access.redhat.com/errata/RHSA-2026:36808 cve-icon
https://access.redhat.com/errata/RHSA-2026:36820 cve-icon
https://access.redhat.com/errata/RHSA-2026:37275 cve-icon
https://access.redhat.com/errata/RHSA-2026:37387 cve-icon
https://access.redhat.com/errata/RHSA-2026:40118 cve-icon
https://access.redhat.com/errata/RHSA-2026:40945 cve-icon
https://access.redhat.com/errata/RHSA-2026:41019 cve-icon
https://access.redhat.com/errata/RHSA-2026:41036 cve-icon
https://access.redhat.com/errata/RHSA-2026:42796 cve-icon
https://access.redhat.com/errata/RHSA-2026:43692 cve-icon
https://access.redhat.com/errata/RHSA-2026:47737 cve-icon
https://access.redhat.com/errata/RHSA-2026:48151 cve-icon
https://access.redhat.com/errata/RHSA-2026:51033 cve-icon
https://access.redhat.com/errata/RHSA-2026:54531 cve-icon
https://access.redhat.com/errata/RHSA-2026:59467 cve-icon
https://access.redhat.com/errata/RHSA-2026:59558 cve-icon
https://access.redhat.com/errata/RHSA-2026:60520 cve-icon
https://access.redhat.com/errata/RHSA-2026:61314 cve-icon
https://access.redhat.com/errata/RHSA-2026:66022 cve-icon
https://access.redhat.com/errata/RHSA-2026:66521 cve-icon
https://access.redhat.com/security/cve/CVE-2026-46595 cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2480689 cve-icon
https://go.dev/cl/781642 cve-icon cve-icon
https://go.dev/issue/79570 cve-icon cve-icon
https://groups.google.com/g/golang-announce/c/a082jnz-LvI cve-icon cve-icon
https://pkg.go.dev/vuln/GO-2026-5023 cve-icon cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46595.json cve-icon
History
Type Values Removed Values Added
First Time appeared Golang crypto
CPEs cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*
Vendors & Products Golang crypto
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-863
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Golang
Golang ssh
Vendors & Products Golang
Golang ssh
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Description 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.
Title Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Go
Published
Updated
Sep 11, 2026, 12:09 PM
Reserved
May 15, 2026, 5:35 PM
Status
Modified
Published
May 22, 2026, 4:16 AM
Modified
Sep 11, 2026, 1:18 PM