CVE•Published 2026-07-08•Modified 2026-07-09•0 articles on news•4 live references•NVD data
CVE-2026-59998Openbsd · Openssh
Vulnerability data via NVD (ingested)
CVSS v3.1
4.8
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS percentile
7
Exploit Prediction Scoring System · top 93% of all CVEs
Weaknesses (CWE)
Description
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.
Timeline
Published 2026-07-08
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag10,084,597 hosts
vuln:CVE-2026-59998Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Openbsd Openssh"All exposed Openbsd Openssh instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Openssh"HTTP body or banner mentions "Openssh" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-59998Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-59998Censys host search filtered to this CVE id.
grep.app
CVE-2026-59998Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-59998GitHub code search for direct mentions.
Google dork
"CVE-2026-59998" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-59998 on GitHub.
We haven't classified any articles referencing CVE-2026-59998 yet. The external references above still apply.