CVE-2026-1299

CVE-2026-1299 affects Python’s email module, specifically BytesGenerator, where newlines in headers weren’t properly quoted during serialization, enabling header injection when using LiteralHeader. The issue is triggered when headers are serialized with LiteralHeader behavior that ignores folding...

CVE-2026-1299 email BytesGenerator header injection due to unquoted newlines

The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if using "LiteralHeader" writing headers that don't respect email foldin...

CVE-2026-1299

The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if using "LiteralHeader" writing headers that don't respect email foldin...

CVE-2026-1299 email BytesGenerator header injection due to unquoted newlines

The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if using "LiteralHeader" writing headers that don't respect email foldin...

Exploit for Origin Validation Error in Appsmith

CVE-2026-22794 - Appsmith Origin Header Injection !Python V...

Linux Distros Unpatched Vulnerability : CVE-2026-1299

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The email module, specifically the BytesGenerator class, didn't properly quote newlines for email headers when serializing an email message allowing for header...

CPython security vulnerabilities

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security vulnerability that stems from the email module’s improper handling of line breaks during email serialization, which may lead to header injection attacks...

SUSE-SU-2026:20134-1 Security update for busybox

This update for busybox fixes the following issues: Security fixes: - CVE-2025-60876: HTTP request header injection in wget bsc1253245. - CVE-2025-46394: Fixed tar hidden files via escape sequence bsc1241661. Other fixes: - Set CONFIGFIRSTSYSTEMID to 201 to avoid confclict bsc1236670 - Fix unshar...

OPENSUSE-SU-2026:20090-1 Security update for busybox

This update for busybox fixes the following issues: Security fixes: - CVE-2025-60876: HTTP request header injection in wget bsc1253245. - CVE-2025-46394: Fixed tar hidden files via escape sequence bsc1241661. Other fixes: - Set CONFIGFIRSTSYSTEMID to 201 to avoid confclict bsc1236670 - Fix unshar...

Security update for busybox

This update for busybox fixes the following issues: This update for busybox fixes the following issues: Security issues: CVE-2025-46394: Fixed tar hidden files via escape sequence CVE-2025-46394, bsc1241661 CVE-2025-60876: Fixed HTTP request header injection in wget CVE-2025-60876, bsc1253245 Oth...

SUSE-SU-2026:0236-1 Security update for busybox

This update for busybox fixes the following issues: This update for busybox fixes the following issues: Security issues: - CVE-2025-46394: Fixed tar hidden files via escape sequence CVE-2025-46394, bsc1241661 - CVE-2025-60876: Fixed HTTP request header injection in wget CVE-2025-60876, bsc1253245...

Security update for busybox

This update for busybox fixes the following issues: Security issues: CVE-2025-46394: Fixed tar hidden files via escape sequence CVE-2025-46394, bsc1241661 CVE-2025-60876: Fixed HTTP request header injection in wget CVE-2025-60876, bsc1253245 Other issues: Set CONFIGFIRSTSYSTEMID to 201 to avoid...

SUSE-SU-2026:0235-1 Security update for busybox

This update for busybox fixes the following issues: Security issues: - CVE-2025-46394: Fixed tar hidden files via escape sequence CVE-2025-46394, bsc1241661 - CVE-2025-60876: Fixed HTTP request header injection in wget CVE-2025-60876, bsc1253245 Other issues: - Set CONFIGFIRSTSYSTEMID to 201 to...

SUSE 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...

SUSE CVE-2025-15282

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype...

SUSE 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...

SUSE CVE-2026-0865

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

Fedora 43 : cpp-httplib (2026-e50e41fcea)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e50e41fcea advisory. Update to 0.30.1 - Denial of service DOS using zip bomb CVE-2026-22776 - CRLF injection in http headers CVE-2026-21428 - Untrusted HTTP Header...

CVE-2026-0865

Missing newline filtering has been discovered in Python. User-controlled header names and values containing newlines can allow injecting HTTP headers. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria...

CVE-2025-11468

Missing character filtering has been discovered in Python. 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...