CVE-2025-22871 - CVE House
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Status published Unknown CVE-2025-22871

Request smuggling due to acceptance of invalid chunked data in net/http

Vulnerability Description

The net/http package 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jeppe Bonde Weikop

References

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Affected Vendor

Go standard library

View all reports →

Affected Software

net/http/internal
Vulnerable Versions:
0, 1.24.0-0

Timeline

Official Publish: April 8th, 2025
Last Modified: May 12th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.