CVE-2026-73283 in OpenSSH

Summary

by MITRE • 08/11/2026

In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: MITRE
• Reservation: 08/11/2026
• Disclosure: 08/11/2026
• Moderation: accepted
• Entry: VDB-388496
• CPE: ready
• CWE: CWE-285 (confirmed)
• CVSS: 9.9 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Government, Industry, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-73283
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-73283
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-73283/