CVE-2026-42505 Affecting speedtest-go package, versions <1.7.10-r14


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-SPEEDTESTGO-17911969
  • published9 Jul 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

NewCVE-2026-42505  (opens in a new tab)

How to fix?

Upgrade Chainguard speedtest-go to version 1.7.10-r14 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream speedtest-go package and not the speedtest-go 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