CVE-2026-53537

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=...,...

CVE-2026-53537

Python-Multipart: Prior to 0.0.30, parse_options_header could decode RFC 2231/5987 extended parameters (filename*=, name*=, etc.) via email.message, leading to the filename/field name being surfaced in ways that RFC 7578 forbids. This allowed parameter smuggling where an attacker could bypass ups...

CVE-2026-53537

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=...,...

CVE-2026-53537 Python-Multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=...,...

GHSA-2JQ4-Q6VV-4CP3 Crawl4AI: Arbitrary file write (path traversal) in crawler downloads can lead to RCE

Summary When the crawler saves a downloaded file, the destination filename was taken from attacker-influenced input and joined to the downloads directory with no confinement. A filename containing an absolute path e.g. /etc/cron.d/evil or ../ traversal escaped the downloads directory, giving an...

GHSA-6MHR-74X2-98V9 NocoDB: Stored Cross-Site Scripting via Secure Attachment

Summary With NCSECUREATTACHMENTS=true, an authenticated uploader could deliver .html or .svg attachments that the browser rendered inline from the NocoDB origin instead of forcing a download. Details The signed attachment handler stored response-header overrides under PascalCase keys...

PT-2026-50475

Name of the Vulnerable Software and Affected Versions NocoDB versions prior to 2026.05.1 Description When NC SECURE ATTACHMENTS is set to true, an authenticated uploader can upload .html or .svg attachments that the browser renders inline from the NocoDB origin instead of forcing a download. This...

GHSA-VFFW-93WF-4J4Q python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...

python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...

PT-2026-49569

Name of the Vulnerable Software and Affected Versions Python-Multipart versions prior to 0.0.30 Description The parse options header function parsed Content-Disposition and Content-Type headers using email.message.Message, which applies RFC 2231/5987 decoding. This allows extended parameter synta...

DEBIAN-CVE-2026-12143

form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header without escaping carriage return CR, line feed LF, or double-quote "...

AZL-90099 CVE-2026-12143 affecting package js-jquery 3.5.0-4

form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header without escaping carriage return CR, line feed LF, or double-quote "...

CVE-2026-12143

form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header without escaping carriage return CR, line feed LF, or double-quote "...

CVE-2026-12143 form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)

form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header without escaping carriage return CR, line feed LF, or double-quote "...

CVE-2026-12143 form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)

form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header without escaping carriage return CR, line feed LF, or double-quote "...

PT-2026-48950

Name of the Vulnerable Software and Affected Versions form-data versions prior to 2.5.6 form-data versions prior to 3.0.5 form-data versions prior to 4.0.6 Description The field argument to FormDataappend and the filename option are concatenated verbatim into the Content-Disposition header withou...

CVE-2026-46392

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0 of HAX CMS PHP, the saveFile endpoint validates upload extensions case-insensitively and writes the filename to disk verbatim, but the .htaccess rule that forces Content-Disposition: attachment on HTML...

CVE-2026-46392 HAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0 of HAX CMS PHP, the saveFile endpoint validates upload extensions case-insensitively and writes the filename to disk verbatim, but the .htaccess rule that forces Content-Disposition: attachment on HTML...

CVE-2026-46392 HAX CMS PHP Has a Stored XSS via Case-Sensitivity Mismatch in HTML Upload Validation

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0 of HAX CMS PHP, the saveFile endpoint validates upload extensions case-insensitively and writes the filename to disk verbatim, but the .htaccess rule that forces Content-Disposition: attachment on HTML...

CVE-2026-46392

HAX CMS (PHP, pre-26.0.0) has a case-sensitivity mismatch in HTML upload handling. The saveFile endpoint validates extensions case-insensitively but the .htaccess rule enforcing Content-Disposition: attachment for HTML is case-sensitive. As a result, an uploaded HTML file with an uppercase extens...