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CVE-2026-39828

Low

No strong exploitation signal.

CVSS base
6.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS — probability of exploitation (30 days)
0.4%
30.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-281
Published 2026-05-22 · modified 2026-09-11

CVSS breakdown

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

Attack VectorNNetwork
Attack ComplexityLLow
Privileges RequiredLLow
User InteractionNNone
ScopeUUnchanged
ConfidentialityLLow
IntegrityLLow
AvailabilityLLow

Timeline

Description

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

golang

References

Official: NVD · CVE.org