CVE-2026-39835

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
References
Link Resource
https://go.dev/cl/781660 Issue Tracking
https://go.dev/issue/79563 Issue Tracking
https://groups.google.com/g/golang-announce/c/a082jnz-LvI Mailing List
https://pkg.go.dev/vuln/GO-2026-5015 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:26546
https://access.redhat.com/errata/RHSA-2026:26547
https://access.redhat.com/errata/RHSA-2026:36199
https://access.redhat.com/errata/RHSA-2026:36207
https://access.redhat.com/errata/RHSA-2026:36319
https://access.redhat.com/errata/RHSA-2026:36625
https://access.redhat.com/errata/RHSA-2026:36648
https://access.redhat.com/errata/RHSA-2026:36651
https://access.redhat.com/errata/RHSA-2026:36796
https://access.redhat.com/errata/RHSA-2026:36797
https://access.redhat.com/errata/RHSA-2026:37072
https://access.redhat.com/errata/RHSA-2026:37123
https://access.redhat.com/errata/RHSA-2026:37268
https://access.redhat.com/errata/RHSA-2026:37271
https://access.redhat.com/errata/RHSA-2026:37272
https://access.redhat.com/errata/RHSA-2026:37286
https://access.redhat.com/errata/RHSA-2026:37296
https://access.redhat.com/errata/RHSA-2026:37387
https://access.redhat.com/errata/RHSA-2026:37410
https://access.redhat.com/errata/RHSA-2026:38504
https://access.redhat.com/errata/RHSA-2026:40118
https://access.redhat.com/errata/RHSA-2026:40262
https://access.redhat.com/errata/RHSA-2026:40945
https://access.redhat.com/errata/RHSA-2026:40969
https://access.redhat.com/errata/RHSA-2026:40972
https://access.redhat.com/errata/RHSA-2026:40974
https://access.redhat.com/errata/RHSA-2026:41019
https://access.redhat.com/errata/RHSA-2026:41031
https://access.redhat.com/errata/RHSA-2026:41036
https://access.redhat.com/errata/RHSA-2026:41066
https://access.redhat.com/errata/RHSA-2026:42146
https://access.redhat.com/errata/RHSA-2026:42796
https://access.redhat.com/errata/RHSA-2026:43052
https://access.redhat.com/errata/RHSA-2026:43692
https://access.redhat.com/errata/RHSA-2026:46885
https://access.redhat.com/errata/RHSA-2026:47735
https://access.redhat.com/errata/RHSA-2026:47949
https://access.redhat.com/errata/RHSA-2026:48151
https://access.redhat.com/errata/RHSA-2026:51033
https://access.redhat.com/errata/RHSA-2026:51036
https://access.redhat.com/errata/RHSA-2026:51038
https://access.redhat.com/errata/RHSA-2026:52857
https://access.redhat.com/errata/RHSA-2026:52910
https://access.redhat.com/errata/RHSA-2026:54525
https://access.redhat.com/errata/RHSA-2026:57194
https://access.redhat.com/errata/RHSA-2026:59467
https://access.redhat.com/errata/RHSA-2026:59593
https://access.redhat.com/errata/RHSA-2026:60520
https://access.redhat.com/errata/RHSA-2026:62260
https://access.redhat.com/errata/RHSA-2026:65126
https://access.redhat.com/errata/RHSA-2026:66022
https://access.redhat.com/errata/RHSA-2026:66521
https://access.redhat.com/security/cve/CVE-2026-39835
https://bugzilla.redhat.com/show_bug.cgi?id=2480680
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39835.json
Configurations

Configuration 1 (hide)

cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

History

No history.

Information

Published : 2026-05-22 04:16

Updated : 2026-09-11 13:17


NVD link : CVE-2026-39835

Mitre link : CVE-2026-39835

CVE.ORG link : CVE-2026-39835


JSON object : View

Products Affected

golang

  • crypto
CWE
CWE-295

Improper Certificate Validation

CWE-476

NULL Pointer Dereference