CVE-2025-59822

unknown

Published 2025-09-23 · Modified 2025-10-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

—

Description

Http4s vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer section

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 with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.http4s:http4s-ember-core_2.12	`<0.23.31`	`0.23.31`
Maven	org.http4s:http4s-ember-core_2.13	`<0.23.31`	`0.23.31`
Maven	org.http4s:http4s-ember-core_3	`<0.23.31`	`0.23.31`
Maven	org.http4s:http4s-ember-core_2.13	`>=1.0.0-M1,<1.0.0-M45`	`1.0.0-M45`
Maven	org.http4s:http4s-ember-core_3	`>=1.0.0-M1,<1.0.0-M45`	`1.0.0-M45`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.