CVE-2026-115877 Twisted: HTTP Request Smuggling in twisted.web via a Bare CR or LF in a Header Value

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.10.0rc1, twisted.web.http.HTTPChannel.headerReceived rejects a NUL byte in an HTTP header value but accepts a bare carriage return or bare line feed. Because Twisted splits header lines only on CRLF...

CVE-2026-8762

After analysis, the originally reported behaviour was determined not to constitute a security vulnerability. The findings were parser-strictness defects without an exploitable framing-disagreement path in any tested deployment configuration...