CVE-2025-4366: RUSTSEC-2025-0037 - Pingora Request Smuggling and Cache Poisoning

CVE-2025-4366 · Severity: medium · CVSS 4 · Published 2025-05-22

Pingora Request Smuggling and Cache Poisoning

Technologies: pingora-core (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2025-4366 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-4366 being exploited in the wild.
How severe is CVE-2025-4366?
Medium severity, with a CVSS score of 4, published 22 May 2025.
Which products and versions are affected?
pingora-core (crates.io) SEMVER:introduced=0,fixed=0.5.0, SEMVER:introduced=0.0.0-0,fixed=0.5.0.
Is there a fix for CVE-2025-4366?
Yes. pingora-core (crates.io): upgrade to 0.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-4366?
Check whether you run pingora-core (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pingora-core (crates.io): upgrade to 0.5.0 or later
    cargo update -p pingora-core

Affected products

  • pingora-core (crates.io) SEMVER:introduced=0,fixed=0.5.0, SEMVER:introduced=0.0.0-0,fixed=0.5.0

Identifiers

  • CVE-2025-4366
  • GHSA-93c7-7xqw-w357
  • RUSTSEC-2025-0037

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