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Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

cve-program · severity unknownEUVD CVSS 3.1 9.1 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 9.1 CRITICALCVSS_V3 Publisher rating CRITICALFixed by golang.org/x/crypto 0.52.0osv · severity unknownFixed by golang.org/x/crypto 0.52.0KEV status unknown

cve-program · CVE-2026-39833

Published

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

Read the publisher's advisory

euvd · EUVD-2026-31389

Published

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

Read the publisher's advisory

nvd · CVE-2026-39833

Published

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

Read the publisher's advisory

osv · GHSA-jppx-rxg9-jmrx

Published

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

Read the publisher's advisory

osv · GO-2026-5005

Published

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

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?

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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 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. Every daily score change from the last 30 days stays in this history. Before that, it keeps KEV changes and moves between EPSS bands (0.1%, 1%, 5%, 10%, 20%, 50% and 90%).

Advisory history

14 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.

15 Nov 2026 11:06:39 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

13 Nov 2026 10:04:40 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

11 Nov 2026 09:34:58 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

9 Nov 2026 09:13:05 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

7 Nov 2026 08:35:11 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

5 Nov 2026 08:03:01 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

3 Nov 2026 07:08:19 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

1 Nov 2026 06:14:19 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

30 Oct 2026 05:58:26 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

28 Oct 2026 04:59:56 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

euvd · EUVD-2026-31389 · Published

25 Oct 2026 09:17:24 UTC

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was n…

nvd · CVE-2026-39833 · Published

24 Oct 2026 13:19:41 UTC

golang.org/x/crypto doesn't enforce invoking key constraints

osv · GHSA-jppx-rxg9-jmrx · Published

24 Oct 2026 13:19:41 UTC

Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

osv · GO-2026-5005 · Published

23 Oct 2026 15:48:27 UTC

Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

cve-program · CVE-2026-39833 · 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 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current