CVE-2026-53591

FreeScout (Laravel-based) prior to v1.8.223 is vulnerable: an unauthenticated attacker can inject messages into existing conversations by sending an email to the public address with a crafted In-Reply-To header. The injected message appears as a legitimate customer reply, reopens the conversation...

CVE-2024-49394

In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender...

CVE-2024-49394 Mutt: neomutt: in-reply-to email header field it not protected by cryptograpic signing

In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender...

CVE-2024-49394

CVE-2024-49394 affects mutt and neomutt: the In-Reply-To header is not cryptographically signed, enabling an attacker to impersonate the sender by reusing an unencrypted but signed email. Public references in the connected documents show multiple advisories addressing this issue and releasing fix...

Mutt 安全漏洞

Mutt is a text-based e-mail client for Unix-like systems developed by Michael Elkins. A security vulnerability exists in Mutt that stems from the In-Reply-To email header field not being protected by a cryptographic signature, which allows an attacker to reuse unencrypted but signed email message...