CVE-2026-73276

A flaw was found in the Erlang/OTP inets httpd server. This vulnerability allows a remote attacker to perform HTTP Request Smuggling due to the server silently dropping HTTP headers that contain whitespace between the header field-name and the colon. When deployed behind a reverse proxy that...

EEF-CVE-2026-73276 inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i

Summary Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before...

undici: Undici: Information disclosure due to improper cache-control header parsing

A flaw was found in Undici. The cache interceptor in shared-cache mode incorrectly classifies certain responses as cacheable due to improper handling of whitespace-padded Cache-Control header field names. This vulnerability allows an unauthenticated attacker to access authenticated user data from...

GHSA-PR7R-676H-XCF6 undici vulnerable to cross-user information disclosure via shared cache whitespace bypass

Impact Undici's cache interceptor incorrectly classifies some responses as cacheable when the upstream Cache-Control header uses whitespace-padded qualified private or no-cache field names such as private=" authorization" or no-cache="\tauthorization". The parser preserves the surrounding...

CVE-2026-9678 undici vulnerable to cross-user information disclosure via shared cache whitespace bypass

Impact: Undici's cache interceptor incorrectly classifies some responses as cacheable when the upstream Cache-Control header uses whitespace-padded qualified private or no-cache field names such as private=" authorization" or no-cache="\tauthorization". The parser preserves the surrounding...