Missing Authorization Affecting tempo-fips-2 package, versions <2.10.5-r3


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.42% (35th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-TEMPOFIPS2-17229153
  • published8 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-39831  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade Minimos:latest tempo-fips-2 to version 2.10.5-r3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tempo-fips-2 package and not the tempo-fips-2 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch were accepted, allowing unattended use of a hardware security key. To restore the previous behavior, return a "no-touch-required" extension in Permissions.Extensions from PublicKeyCallback.

CVSS Base Scores

version 3.1