# Duplicate Advisory: Pingora Request Smuggling and Cache Poisoning

Source: https://junglewise.ai/threats/duplicate-advisory-pingora-request-smuggling-and-cache-poisoning-0eff33eb  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-05-22  
License: CC BY 4.0 with a link back

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

Duplicate Advisory: Pingora Request Smuggling and Cache Poisoning

Technologies: [pingora-core (crates.io)](https://junglewise.ai/threats/technologies/pingora-core). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** 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.

**Is there a fix for This vulnerability?** 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?** 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

  ```sh
  cargo update -p pingora-core
  ```


## Affected products

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

## Related threats

- [Pingora HTTP/2 host mismatch and cache poisoning](https://junglewise.ai/threats/cve-2026-105298-summary-before-version-0-9-0-pingora-accepted-http-2-requests)
- [Pingora HTTP/2 server memory exhaustion via header injection](https://junglewise.ai/threats/cve-2026-105297-summary-before-version-0-8-1-pingora-s-http-2-server-used-the-h2)
- [Duplicate Advisory: HTTP Request Smuggling via Premature Upgrade](https://junglewise.ai/threats/duplicate-advisory-http-request-smuggling-via-premature-upgrade-80d9b682)
- [Duplicate Advisory: HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing](https://junglewise.ai/threats/duplicate-advisory-http-request-smuggling-via-http-1-0-and-transfer-e49a45ff)
- [RUSTSEC-2026-0034 - HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing](https://junglewise.ai/threats/cve-2026-2835-pingora-has-http-request-smuggling-via-http-1-0-and-transfer)