CVE-2026-0672

When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters...

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...

PSF-2026-4

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

Arbitrary Command Injection

Overview Affected versions of this package are vulnerable to Arbitrary Command Injection via the poplib module. An attacker can manipulate mailbox state, such as deleting emails or reading metadata and specific email content, by injecting additional POP3 commands through malicious input containin...

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-2025-15367

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

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

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

CVE-2025-15366 IMAP command injection in user-controlled commands

The imaplib 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 ...

CVE-2025-15366 IMAP command injection in user-controlled commands

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

CVE-2025-15366

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

PSF-2026-3

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

CVE-2025-15282

CVE-2025-15282 concerns Python’s urllib.request DataHandler, where user-controlled data URLs can inject HTTP headers due to improper parsing of data URL mediatypes. Connected sources show fixes in CPython commits addressing this header-injection surface in the urllib module, indicating the underl...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the wsgiref.headers.Headers. An attacker can manipulate HTTP responses by injecting arbitrary headers through user-controlled input containing newline characters. Remediation A fix was pushed into the master...

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...

PSF-2026-1

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 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 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...