CVE-2025-22871: critical vulnerability in Go standard library net/http/internal
Request smuggling due to acceptance of invalid chunked data in net/http
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1epss 0.8%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Go standard library · net/http/internalRelated CVEs — Go standard library net/http/internal
In the same product, most dangerous first.