CVE-2025-58068Medium▾ SunlitEventlet affected by HTTP request smuggling in unparsed trailers
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
0.4% → 0.4%
The Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections.
This vulnerability could enable attackers to:
Problem has been patched in eventlet 0.40.3.
The patch just drops trailers. If a backend behind eventlet.wsgi proxy requires trailers, then this patch BREAKS your setup.
Do not use eventlet.wsgi facing untrusted clients.
eventlet < 0.40.3Upgrade to a patched release:
eventlet 0.40.3Connected by shared product, vendor, weakness, or advisory.
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