CVE detail
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 30.0 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
42 source links · newest first
- CVE-2026-39835 Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/sshMicrosoft MSRC
Information published.
vendormsrc.microsoft.comMay 27, 2026, 8:15 AM - https://access.redhat.com/errata/RHSA-2026:43692access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:43052access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:42796access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:42146access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41066access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41036access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41031access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:41019access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40972access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40945access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40974access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40969access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40262access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:40118access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:38504access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39835.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comMay 22, 2026, 4:16 AM - https://bugzilla.redhat.com/show_bug.cgi?id=2480680bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/security/cve/CVE-2026-39835access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37410access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37387access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37296access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37286access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37272access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37271access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37268access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37123access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:37072access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36797access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36796access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36651access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36648access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36625access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36319access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36207access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:36199access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:26547access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://access.redhat.com/errata/RHSA-2026:26546access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 22, 2026, 4:16 AM - https://pkg.go.dev/vuln/GO-2026-5015pkg.go.dev
No excerpt available.
Exploitpkg.go.devMay 22, 2026, 4:16 AM - https://groups.google.com/g/golang-announce/c/a082jnz-LvIgroups.google.com
No excerpt available.
Patchgroups.google.comMay 22, 2026, 4:16 AM No excerpt available.
Vendor Advisorygo.devMay 22, 2026, 4:16 AM- https://go.dev/cl/781660go.dev
No excerpt available.
Vendor Advisorygo.devMay 22, 2026, 4:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2023-26463CVSS 9.8 · Critical
strongSwan 5.9.8 and 5.9.9 potentially allows remote code execution because it uses a variable named "public" for two different purposes within the same function. There is initial…
- CVE-2026-42508CVSS 9.1 · Critical
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
- CVE-2026-39828CVSS 6.3 · Medium
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restr…
- CVE-2026-17574CVSS 5.2 · Medium
HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type field may cause the ap…
- CVE-2026-17500CVSS 6.9 · Medium
A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This affects the function _visit_pattern of the file common/json-schema-to-grammar.cpp. The manipulation result…
- CVE-2026-54342CVSS 8.1 · High
In epa4all, prior to version 2026-05-20, an attacker on the network path between epa4all and any backend (ePA Aktensystem, Konnektor, IDP, TSS) can present a self-signed TLS certi…