CVE-2026-59999

Published: July 9, 2026Last modified: July 11, 2026

Description

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

Severity score breakdown

ParameterValue
Base score7.5
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactHIGH
Availability impactNONE
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSopensshVulnerable (9.1_p1-r3)
25 LTSopensshVulnerable (10.0_p1-r7)
StreamopensshVulnerable (9.3_p1-r7)
Hardened Containers23 LTSopensshVulnerable (9.1_p1-r3)
25 LTSopensshVulnerable (10.0_p1-r7)
StreamopensshVulnerable (9.3_p1-r7)

References

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