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CVE Vulnerability Details :

CVE-2026-59998

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-08 Jul, 2026 | 00:11

Updated At-08 Jul, 2026 | 13:48

▼CVE Numbering Authority (CNA)

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.

Affected Products

Vendor

OpenBSD

Product

OpenSSH

Default Status

unaffected

Versions

Affected

From 0 before 10.4 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-573	CWE-573 Improper Following of Specification by Caller

Type: CWE

CWE ID: CWE-573

Description: CWE-573 Improper Following of Specification by Caller

Metrics

Version	Base score	Base severity	Vector
3.1	4.8	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Version: 3.1

Base score: 4.8

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

Hyperlink	Resource
https://www.openwall.com/lists/oss-security/2026/07/06/5	N/A
https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2	N/A
https://www.openssh.org/releasenotes.html#10.4p1	N/A

Hyperlink: https://www.openwall.com/lists/oss-security/2026/07/06/5

Resource: N/A

Hyperlink: https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2

Resource: N/A

Hyperlink: https://www.openssh.org/releasenotes.html#10.4p1

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References