Search/CVE-2026-59999
● CVE — Medium

CVE-2026-59999

VendoropenbsdProductopensshDiscoveredJul 8, 2026UpdatedOct 25, 2026

In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.

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CVSS v3.1
5.9 MEDIUM
EPSS
0.16%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports1
1 intelligence report available

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CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Connections
4 relationships
Timeline
disclosure → media coverage
Jul 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 25, 2026
Jul 13, 2026
ubuntu.com reports: USN-8533-1: OpenSSH vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8804-1: OpenSSH vulnerabilities