CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0672

CVE-2026-0672 concerns Python’s handling of cookie/header parsing (notably http.cookies.Morsel) where user-controlled cookie values and parameters could inject HTTP headers. Connected advisories confirm related fixes across Python builds and distributions (Ubuntu USN-8018-1; Debian DLA-4455; Chai...

CVE-2025-15367

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

CVE-2025-15367 POP3 command injection in user-controlled commands

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

CVE-2025-15367 POP3 command injection in user-controlled commands

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

CVE-2025-15366

CVE-2025-15366 affects Python’s imaplib module, where a user-controlled command can be extended with additional commands via newline characters, enabling command injection in IMAP handling. Multiple Nessus advisories corroborate this CVE among Python-related issues, with remediation described as ...

PSF-2026-6

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2025-11468 Folding email comments of unfoldable characters doesn't preserve parenthesis

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized...

CVE-2025-11468

CVE-2025-11468 refers to a Python vulnerability where folding a long comment in an email header that contains exclusively unfoldable characters can cause the parenthesis to be lost, enabling header injection when the addresses are user-controlled. The issue is tied to Python’s email/header handli...

CVE-2025-11468 Folding email comments of unfoldable characters doesn't preserve parenthesis

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized...

CVE-2025-11468

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized...

WordPress plugin Dokan: Access control error vulnerability

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. WordPres...

PT-2026-3670

Name of the Vulnerable Software and Affected Versions affected versions not specified Description User-controlled header names and values containing newlines can allow injecting HTTP headers. Recommendations At the moment, there is no information about a newer version that contains a fix for this...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has security vulnerabilities, which stem from allowing header injection via line breaks when parsing data URLs that are controlled by users...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has security vulnerabilities, which stem from the possibility of injecting additional commands through line breaks when user-controlled commands are passed...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has security vulnerabilities; these vulnerabilities arise from failing to retain parentheses when folding long comments in email headers that only contain non-folding characters. This can lead to the...

CVE-2026-22218

Chainlit CVE-2026-22218 affects versions prior to 2.9.4 and is an arbitrary file read in the /project/element update flow. An authenticated client can submit a user-controlled path in a custom Element, causing the server to copy that file into the attacker’s session. The attacker can then retriev...