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...

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...

Regular Expression Denial of Service (ReDoS)

Overview org.webjars.npm:multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the Content-Disposition filename parameter parsing. An attacker can cause excessive resource consumption...

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...

@aaa-backend-stack/graphql-rest-bindings (>=1.16.0 <=1.16.9), @aaa-backend-stack/image-service (>=1.16.0 <=1.16.9) +590 more potentially affected by CVE-2026-8159 via multiparty (>=4.0.0 <=4.2.3)

multiparty NPM version =4.0.0, =1.16.0, =1.16.0, =1.16.0, =0.1.155, =1.0.0, =1.1.0, =0.0.1, =0.0.1, =0.1.0, =0.58.14, =0.1.0, =1.0.0, =2.101.2 and more Source cves: CVE-2026-8159 Source advisory: SNYK:JS-MULTIPARTY-16790693...

Regular Expression Denial of Service (ReDoS)

Overview multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the Content-Disposition filename parameter parsing. An attacker can cause excessive resource consumption and block the...

EUVD-2026-29439

multiparty vulnerable to ReDoS via filename parsing...

NPM: multiparty vulnerable to ReDoS via filename parsing

NPM: multiparty vulnerable to ReDoS via filename parsing vulnerability discovered by ? in WordPress Npm multiparty versions = 4.2.3...

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...

EUVD-2026-29441

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

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

NPM: multiparty vulnerable to Denial of Service via Uncaught Exception in filename parameter parsing vulnerability discovered by ? in WordPress Npm multiparty versions = 4.2.3...

GHSA-XH3C-6GCQ-G4RV 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...

Uncaught Exception

Overview org.webjars.npm:multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Uncaught Exception through the parsing of multipart/form-data requests containing field names that collide with inherited Object.prototype properties. A...

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...

@aaa-backend-stack/graphql-rest-bindings (>=1.16.0 <=1.16.9), @aaa-backend-stack/image-service (>=1.16.0 <=1.16.9) +590 more potentially affected by CVE-2026-8161 via multiparty (>=4.0.0 <=4.2.3)

multiparty NPM version =4.0.0, =1.16.0, =1.16.0, =1.16.0, =0.1.155, =1.0.0, =1.1.0, =0.0.1, =0.0.1, =0.1.0, =0.58.14, =0.1.0, =1.0.0, =2.101.2 and more Source cves: CVE-2026-8161 Source advisory: SNYK:JS-MULTIPARTY-16790691...

Uncaught Exception

Overview multiparty is a multipart/form-data parser which supports streaming Affected versions of this package are vulnerable to Uncaught Exception through the parsing of multipart/form-data requests containing field names that collide with inherited Object.prototype properties. An attacker can...

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...

EUVD-2026-29440

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