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CVE-2025-22871 — Vulnerability in spiral/roadrunner — CVE Details

CRITICAL

RoadRunner is at risk of HTTP Request/Response Smuggling through vulnerable dependency

Published April 8, 2025Updated September 10, 2026Source: osv

Summary

The net/http package dependency used by RoadRunner improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

Advisory Timeline

  • First published April 8, 2025 (552 days ago).
  • Last revised September 10, 2026 — 519 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update spiral/roadrunner to 2025.1.0 or later
composer require "spiral/roadrunner:^2025.1.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
spiral/roadrunner
packagist
v0.9.0, v1.0.0, v1.0.1, v1.0.2 (+250 more)2025.1.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2025-22871?
RoadRunner is at risk of HTTP Request/Response Smuggling through vulnerable dependency This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2025-22871?
CVE-2025-22871 affects spiral/roadrunner. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-22871 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-g9pc-8g42-g6vq
BIT-golang-2025-22871
GO-2025-3563

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