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

cve-program · severity unknownEUVD CVSS 3.1 8.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 6.3 MEDIUMCVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary 8.8 HIGHCVSS_V3 Publisher rating MODERATEFixed by golang.org/x/crypto 0.52.0osv · severity unknownFixed by golang.org/x/crypto 0.52.0KEV status unknown

cve-program · CVE-2026-39828

Published

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.

Read the publisher's advisory

euvd · EUVD-2026-31394

Published

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.

Read the publisher's advisory

nvd · CVE-2026-39828

Published

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.

Read the publisher's advisory

osv · GHSA-45gg-vh54-h5m9

Published

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.

Read the publisher's advisory

osv · GO-2026-5014

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

This view includes predictions for CVE identifiers explicitly listed in public NuGet advisories. Microsoft release pages have their own prediction coverage. Check source status for the scope and latest checks.

No exploitation or prediction data is available here for these CVEs. This does not mean they are safe or unlikely to be exploited.

Risk history

Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.

When does an EPSS score appear as a change?

A prediction change is reported when EPSS rises from below 10% to 10% or higher. Other daily score changes remain in this history.

Advisory history

12 saved versions

See how the publisher's advisory changed over time. Each link opens the version saved at that time. The publisher's update date can differ from the date shown here.

How advisory history works

Each link identifies one complete publisher record. History can include advisories that previously shared an identifier; an identifier removed by a publisher no longer establishes a current relationship. A historical link shows only that record and earlier saved versions. Failed checks and unchanged reads do not create new versions.

11 Nov 2026 09:34:49 UTC

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…

euvd · EUVD-2026-31394 · Published

9 Nov 2026 09:12:54 UTC

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…

euvd · EUVD-2026-31394 · Published

7 Nov 2026 08:35:02 UTC

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…

euvd · EUVD-2026-31394 · Published

5 Nov 2026 08:02:52 UTC

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…

euvd · EUVD-2026-31394 · Published

3 Nov 2026 07:08:10 UTC

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…

euvd · EUVD-2026-31394 · Published

1 Nov 2026 06:14:10 UTC

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…

euvd · EUVD-2026-31394 · Published

30 Oct 2026 05:58:18 UTC

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…

euvd · EUVD-2026-31394 · Published

28 Oct 2026 04:59:48 UTC

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…

euvd · EUVD-2026-31394 · Published

25 Oct 2026 09:17:24 UTC

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…

nvd · CVE-2026-39828 · Published

24 Oct 2026 13:19:41 UTC

golang.org/x/crypto vulnerable to invoking bypass of certificate restrictions

osv · GHSA-45gg-vh54-h5m9 · Published

24 Oct 2026 13:19:41 UTC

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

osv · GO-2026-5014 · Published

23 Oct 2026 15:48:27 UTC

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

cve-program · CVE-2026-39828 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 05:08 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current