CVE-2024-6827High· 7.5▾ TwilightGunicorn HTTP Request/Response Smuggling vulnerability
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.2 · 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
0.7%
Last analysed / modified upstream
0.7% → 0.8%
Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data exposure, session manipulation, SSRF, XSS, DoS, data integrity compromise, security bypass, information leakage, and business logic abuse.
gunicorn < 22.0.0Upgrade to a patched release:
gunicorn 22.0.0Connected by shared product, vendor, weakness, or advisory.