undici: undici: Denial of Service via unrequested WebSocket subprotocol

A flaw was found in undici. A remote attacker can exploit this vulnerability by responding with an unrequested WebSocket subprotocol during the opening handshake. This causes the undici WebSocket client to crash the entire Node.js process, leading to a denial of service DoS...

EUVD-2026-57757

@fastify/busboy vulnerable to Denial of Service via prototype-named multipart part header...

vm2 CLI provides no sandbox isolation - host-realm require() is reachable from sandboxed scripts

Summary The vm2 command-line tool installed by npm install -g vm2 and documented in the README's "CLI" section runs the supplied script under NodeVM with require:external:true and no root / context / builtin configured. With these defaults the resolver loads every relative or absolute require...

Uncaught Exception

Overview org.webjars.npm:devalue is a JSON.stringify, but handles cyclical references, repeated references, undefined, regular expressions, dates, Map and Set. Affected versions of this package are vulnerable to Uncaught Exception via unhandled Promise rejections in stringifyAsync within...

GHSA-2GC4-CQFQ-P2GV Socket.IO: Engine.IO Protocol Revision Mismatch DoS

Impact A denial-of-service vulnerability exists in Engine.IO / Socket.IO servers that allow transport upgrades. The Engine.IO protocol revision is negotiated during the initial handshake and stored on the session, but a newly-created transport, including a WebSocket upgrade transport, could...

PT-2026-102976

Name of the Vulnerable Software and Affected Versions Engine.IO versions 6.6.0 through 6.6.9 Description A denial-of-service issue exists in servers that allow transport upgrades. During a transport upgrade, the server may independently derive an Engine.IO protocol revision from the upgrade reque...

NPM: request-filtering-agent: Synchronous throw from createConnection() for literal private-IP hosts bypasses req.on('error'), crashing the Node.js process

NPM: request-filtering-agent: Synchronous throw from createConnection for literal private-IP hosts bypasses req.on'error', crashing the Node.js process vulnerability discovered by ? in WordPress Npm request-filtering-agent versions 3.2.1...

DoS (Denial of Service) undici Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in version 11.3.8 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticated attacker t...

DoS (Denial of Service) undici Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability was introduced in version 11.3.8 of Jira Software Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticated attacker to cause a...

PT-2026-105516

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-jxxv-8r27-vm4p. This link is maintained to preserve external references. Original Description vm2 before 3.11.7 contains a sandbox escape vulnerability in the CLI tool that allows attackers to execute arbitrary...

undici: undici: Denial of Service via WebSocketStream unclean close

A flaw was found in undici's experimental WebSocketStream client. A remote attacker, operating as an untrusted server, can trigger a Denial of Service DoS by closing the TCP connection without a proper WebSocket close handshake. This action causes an unhandled error in the client, leading to the...

GHSA-WC9G-MQFW-JRWM multer vulnerable to Denial of Service via crafted multipart field names

Impact A vulnerability in multer allows a remote, unauthenticated attacker to crash the Node.js process with a single multipart/form-data request. Two specially crafted text field names cause an uncaught RangeError: Invalid array length inside multer's field parsing, which is not routed to the...

CVE-2026-85024

A flaw was found in undici. A remote, unauthenticated attacker can trigger a Denial of Service DoS by sending a specially crafted compressed WebSocket payload. When this payload exceeds the 128 MiB decompressed-payload limit and contains a malformed DEFLATE byte, it causes an unhandled error in t...

CVE-2026-19534

A flaw was found in undici. A remote attacker can exploit this vulnerability by responding with an unrequested WebSocket subprotocol during the opening handshake. This causes the undici WebSocket client to crash the entire Node.js process, leading to a denial of service DoS. Mitigation Mitigation...

CVE-2026-19534 undici vulnerable to Denial of Service via unrequested WebSocket subprotocol

undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes a Sec-WebSocket-Protocol header, undic...

undici: undici: Denial of Service via unhandled error in WebSocket permessage-deflate decompression

A flaw was found in undici. A remote, unauthenticated attacker can trigger a Denial of Service DoS by sending a specially crafted compressed WebSocket payload. When this payload exceeds the 128 MiB decompressed-payload limit and contains a malformed DEFLATE byte, it causes an unhandled error in t...

Malicious code in tailwind-container-queries (npm)

Source: amazon-inspector c278291029e314675a40ad0fe4f76dc20dc37cdf09ce13f0769f4fc4ff0f750f On require of the package main, an appended evalatob... block in dist/index.js queries Ethereum RPC endpoints eth.blockscout.com/api, 1rpc.io/eth for the last transaction sent from the hardcoded address...

CVE-2026-82244 Budibase before 3.41.3 Remote Code Execution via Plugin eval()

Budibase versions before 3.41.3 contain a remote code execution vulnerability in plugin handling that allows authenticated admin users to execute arbitrary code by uploading a malicious plugin tarball. The server calls eval on plugin JavaScript files without sandboxing in the main Node.js process...

CVE-2026-82244: Improper Control of Generation of Code

Budibase versions before 3.41.3 contain a remote code execution vulnerability in plugin handling that allows authenticated admin users to execute arbitrary code by uploading a malicious plugin tarball. The server calls eval on plugin JavaScript files without sandboxing in the main Node.js process...

Malicious code in chai-as-reformed (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ae73388f2a877d421e53b37bdd36496a8048149ffe2e64a975e87c705f8b0e45 The package impersonates chai-as-promised and copies its README from pino, but its exported middleware spawns a detached node lib/caller.js process...