CVE-2026-13323

Vulnerability CVE-2026-13323 affects Open VSX Registry before 1.0.2. The /vscode/unpkg/ endpoint serves user-supplied HTML without CSP or Content-Disposition headers, enabling a publisher to upload a crafted VSIX and lure authenticated users to visit the URL. This inline rendering in the open-vsx...

EUVD-2026-40945

In Open VSX Registry before 1.0.2, the /vscode/unpkg/ endpoint serves user-supplied HTML files with Content-Type: text/html and without a Content-Security-Policy or Content-Disposition: attachment response header. An unauthenticated attacker can register a publisher account, upload a VSIX...

CVE-2026-53537

A flaw was found in Python-Multipart. This vulnerability allows a remote attacker to bypass security controls by exploiting a difference in how Content-Disposition and Content-Type headers are parsed. Specifically, the parseoptionsheader function incorrectly applies RFC 2231/5987 decoding, which ...

CVE-2026-53929

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, 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. The signed attachment handler stor...

CVE-2026-53929

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, 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. The signed attachment handler stor...

CVE-2026-53929

NocoDB (pre-2026.05.1) is affected by a Stored Cross-Site Scripting vulnerability when NC_SECURE_ATTACHMENTS=true. An authenticated uploader could deliver .html or .svg attachments that the browser renders inline from the NocoDB origin due to a header-key casing mismatch (ResponseContentDispositi...

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=...,...

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=...,...

Astra Linux – Vulnerability in Firefox and Thunderbird

In multipart/x-mixed-replace responses, the Content-Disposition: attachment header in the response was not respected, and no download was forced, which could allow XSS attacks. This vulnerability affects Firefox 132, Firefox ESR 128.4, Thunderbird 128.4, and Thunderbird 132...

Astra Linux – Vulnerability in Ruby-Rack

There is a denial-of-service vulnerability in the Content-Disposition parsing component of Rack, which was fixed in versions 2.0.9.2, 2.1.4.2, 2.2.4.1, and 3.0.0.1. This vulnerability could allow an attacker to create an input that causes the Content-Disposition header parsing in Rack to take an...

Astra Linux – Vulnerability in libsoup2.4

A use-after-free vulnerability was discovered in libsoup, within the soupmessageheadersgetcontentdisposition function. This flaw allows a malicious HTTP client to cause memory corruption in the libsoup server...

Astra Linux – Vulnerability in Firefox and Thunderbird

When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could lead to reflected file download attacks that potentially trick users into installing malware. This vulnerability affects Firefox 112, Focu...

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 "...

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 "...