Packages / undici / Security

HighVulnerabilityGHSA-vmh5-mc38-953gPublished 18 Jun 2026

undici vulnerable to TLS certificate validation bypass via dropped requestTls in SOCKS5 ProxyAgent

Affected · undici

  • >= 7.23.0, < 7.28.0
  • >= 8.0.0, < 8.5.0

Fixed in

8.5.0

npm install undici@8.5.0

  1. Not affected

    0.1.0 – 7.22.0

    240 releases

  2. Affected

    7.23.0 – 7.27.2

    15 releases

  3. Fixed

    7.28.0 – 7.30.1

    5 releases

  4. Affected

    8.0.0 – 8.4.1

    9 releases

  5. Fixed

    8.5.0 – 8.12.3

    15 releases, latest

284 stable releases of undici, oldest to newest.

What happens

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