CVE-2026-42505 Affecting commercial-chainloop-backend package, versions <1.72.2-r4


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-COMMERCIALCHAINLOOPBACKEND-17928055
  • published10 Jul 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

CVE-2026-42505  (opens in a new tab)

How to fix?

Upgrade Chainguard commercial-chainloop-backend to version 1.72.2-r4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream commercial-chainloop-backend package and not the commercial-chainloop-backend package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.

CVSS Base Scores

version 3.1