CVE-2025-4366
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Pingora Request Smuggling and Cache Poisoning
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| crates.io | pingora-core | | |
| crates.io | pingora-core | >=0.0.0-0,<0.5.0 | 0.5.0 |
| crates.io | pingora-core | <0.5.0 | 0.5.0 |
References
- https://blog.cloudflare.com/resolving-a-request-smuggling-vulnerability-in-pingora/
- https://github.com/cloudflare/pingora/security/advisories/GHSA-93c7-7xqw-w357
- https://nvd.nist.gov/vuln/detail/CVE-2025-4366
- https://github.com/cloudflare/pingora/commit/fda3317ec822678564d641e7cf1c9b77ee3759ff
- https://blog.cloudflare.com/resolving-a-request-smuggling-vulnerability-in-pingora
- https://github.com/cloudflare/pingora
- https://rustsec.org/advisories/RUSTSEC-2025-0037.html
- https://crates.io/crates/pingora-core
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.