CVE-2026-39828
Published:May 22, 2026
Updated:May 31, 2026
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.
Affected Packages
https://github.com/golang/crypto.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.52.0Fix Suggestion:
Update to version v0.52.0golang.org/x/crypto (GO):
Affected version(s) >=v0.0.0-20120125194513-f61fbb80d2fc <v0.52.0Fix Suggestion:
Update to version v0.52.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
EPSS
Base Score:
0.03