CVE-2026-39828mediumCWE-281

CVE-2026-39828: falha de média gravidade em golang.org/x/crypto/ssh

Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh

Publicada em 22 mai 2026 · Atualizada em 18 set 2026

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.3epss 0.4%

probabilidade de exploração

0.4%top 69% das CVEs

exploração observada

nãonenhuma fonte reporta

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.

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

Produtos afetados

golang.org/x/crypto · golang.org/x/crypto/ssh

CVEs relacionadas — golang.org/x/crypto/ssh

No mesmo produto, das mais perigosas para as menos.

CVE-2024-45337CRITICALMisuse of connection.serverAuthenticate may cause authorization bypass in golang.org/x/cryptoEPSS 3.2%CVE-2025-22869HIGHPotential denial of service in golang.org/x/cryptoEPSS 0.9%CVE-2026-39830CRITICALInvoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/sshEPSS 0.7%CVE-2026-39834CRITICALInvoking infinite loop on large channel writes in golang.org/x/crypto/sshEPSS 0.6%CVE-2025-58181MEDIUMUnbounded memory consumption in golang.org/x/crypto/sshEPSS 0.6%CVE-2026-46595CRITICALInvoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/sshEPSS 0.6%

Referências