Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh
Summary
| CVE | CVE-2026-46595 |
|---|---|
| State | PUBLISHED |
| Assigner | Go |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-22 04:16:25 UTC |
| Updated | 2026-07-09 13:17:22 UTC |
| 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. |
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: 0.004400000 probability, percentile 0.354330000 (date 2026-07-09)
Problem Types: CWE-863 | CWE-303 | CWE-863: Incorrect Authorization | CWE-863 CWE-863 Incorrect Authorization | CWE-303 Incorrect Implementation of Authentication Algorithm
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L |
| 3.1 | ADP | CVSS | 7.1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 7.1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
CVSS v3.1 Breakdown
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)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| groups.google.com/g/golang-announce/c/a082jnz-LvI | [email protected] | groups.google.com | Mailing List |
| access.redhat.com/errata/RHSA-2026:36797 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:33531 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:23262 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36651 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:30651 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36808 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:26546 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:33524 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46595.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36207 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:26547 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| go.dev/issue/79570 | [email protected] | go.dev | Issue Tracking |
| go.dev/cl/781642 | [email protected] | go.dev | Issue Tracking |
| access.redhat.com/errata/RHSA-2026:23264 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36648 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36820 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:36796 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| access.redhat.com/security/cve/CVE-2026-46595 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| pkg.go.dev/vuln/GO-2026-5023 | [email protected] | pkg.go.dev | Vendor Advisory |
| access.redhat.com/errata/RHSA-2026:30650 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-05-22T04:01:52.215Z | Reported to Red Hat. |
| ADP | 2026-05-22T02:31:27.894Z | Made public. |
Solutions
ADP: RHSA-2026:36796: RHEM 1.0 for RHEL 9
ADP: RHSA-2026:36808: DevWorkspace Operator 0.42
ADP: RHSA-2026:30651: Red Hat Advanced Cluster Management for Kubernetes 2.13
ADP: RHSA-2026:26547: Red Hat Advanced Cluster Security for Kubernetes 4.10
ADP: RHSA-2026:36207: Red Hat Advanced Cluster Security for Kubernetes 4.11
ADP: RHSA-2026:26546: Red Hat Advanced Cluster Security for Kubernetes 4.9
ADP: RHSA-2026:36651: Red Hat Edge Manager 1.0
ADP: RHSA-2026:33531: Red Hat Enterprise Linux AI 3.4
ADP: RHSA-2026:33524: Red Hat Enterprise Linux AI 3.4
ADP: RHSA-2026:23262: Red Hat Hardened Images
ADP: RHSA-2026:23264: Red Hat Hardened Images
ADP: RHSA-2026:36648: Red Hat OpenShift Builds 1.7.4
ADP: RHSA-2026:36820: Red Hat OpenShift Dev Spaces 3.29
ADP: RHSA-2026:36797: Red Hat Trusted Artifact Signer 1.4
ADP: RHSA-2026:30650: multicluster engine for Kubernetes 2.8
Workarounds
ADP: Upgrade to a fixed golang.org/x/crypto/ssh release via updated golang or package rebuilds. Ensure SSH servers use supported public-key callback configurations with source-address validation as intended.