CVE-2026-8162

[email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition header whose filename parameter contains a malformed percent-encoding, the parser invokes decodeURI on the value without try/catch. T...

CVE-2026-8159

[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any...

multiparty vulnerable to ReDoS via filename parsing

Impact [email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A multipart upload with a long header value containing !filename="1 repeated can cause regex matching to take seconds, blocking...

EUVD-2026-29439

multiparty vulnerable to ReDoS via filename parsing...

GHSA-65X3-RW7Q-GX94 multiparty vulnerable to ReDoS via filename parsing

Impact [email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A multipart upload with a long header value containing !filename="1 repeated can cause regex matching to take seconds, blocking...

multiparty vulnerable to Denial of Service via Uncaught Exception in filename* parameter parsing

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition: filename=utf-8'' header containing a malformed percent-encoding e.g., %FF, %GG, the parser invokes decodeURI on the value...

NPM: multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception

NPM: multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception vulnerability discovered by ? in WordPress Npm multiparty versions = 4.2.3...

GHSA-QXCH-WHHJ-8956 multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property e.g., proto, constructor, toString, the parser invokes .push on the inherited...

EUVD-2026-29440

multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception...

Linux Distros Unpatched Vulnerability : CVE-2026-8161

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that...

CVE-2026-8159

[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any...

DEBIAN-CVE-2026-8161

[email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as proto, constructor, or toString, the parser invokes .push on the inherited...

CVE-2026-8161 multiparty vulnerable to Denial of Service via Prototype Pollution leading to Uncaught Exception

[email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as proto, constructor, or toString, the parser invokes .push on the inherited...

CVE-2026-8161 multiparty vulnerable to Denial of Service via Prototype Pollution leading to Uncaught Exception

[email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as proto, constructor, or toString, the parser invokes .push on the inherited...

CVE-2026-8161

This CVE affects [email protected] and earlier, where the parser stores fields/files on plain objects and can collide with inherited Object.prototype properties (e.g., proto , constructor, toString). The root cause is prototype pollution leading to a TypeError when .push() is invoked on a non-arra...

CVE-2026-8159 multiparty vulnerable to ReDoS via filename parsing

[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any...

CVE-2026-8159 multiparty vulnerable to ReDoS via filename parsing

[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any...

CVE-2026-8159

[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any...

CVE-2026-8159

CVE-2026-8159 affects multiparty versions 4.2.3 and older, where the Content-Disposition filename parameter parser is vulnerable to denial-of-service via regex backtracking. A crafted multipart upload with a long header value can cause the regex engine to backtrack for seconds, blocking the event...

PT-2026-39998

Name of the Vulnerable Software and Affected Versions multiparty versions 4.2.3 and earlier Description A denial of service occurs due to an uncaught exception during the parsing of multipart/form-data requests. When a request contains a Content-Disposition header with a filename parameter...