EUVD-2026-11705

Undici has Unbounded Memory Consumption in its DeduplicationHandler via Response Buffering that leads to DoS...

CVE-2026-31949: Uncaught Exception

LibreChat is a ChatGPT clone with additional features. Prior to 0.8.3-rc1, a Denial of Service DoS vulnerability exists in the DELETE /api/convos endpoint that allows an authenticated attacker to crash the Node.js server process by sending malformed requests. The DELETE /api/convos route handler...

CVE-2026-2229

A flaw was found in the undici WebSocket client. A remote malicious server can exploit this vulnerability by sending a WebSocket frame with an invalid servermaxwindowbits parameter within the permessage-deflate extension. This improper validation causes the client's Node.js process to terminate,...

CVE-2026-2229

ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the servermaxwindowbits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. ...

CVE-2026-32242

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.11 and 8.6.37, Parse Server's built-in OAuth2 auth adapter exports a singleton instance that is reused directly across all OAuth2 provider configurations. Under concurrent...

AZL-80312 CVE-2026-32141 affecting package js-jquery 3.5.0-4

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32141

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

CVE-2026-32242: Concurrent Execution using Shared Resource with Improper Synchronization

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.11 and 8.6.37, Parse Server's built-in OAuth2 auth adapter exports a singleton instance that is reused directly across all OAuth2 provider configurations. Under concurrent...

CVE-2026-32141: Uncontrolled Recursion

flatted is a circular JSON parser. Prior to 3.4.0, flatted's parse function uses a recursive revive phase to resolve circular references in deserialized JSON. When given a crafted payload with deeply nested or self-referential $ indices, the recursion depth is unbounded, causing a stack overflow...

undici security vulnerabilities

Undici is an open-source HTTP/1.1 client developed by Node.js. Undici has a security vulnerability that stems from unlimited memory consumption during the decompression of permessage-deflate. This vulnerability could allow malicious WebSocket servers to send small compressed frames, causing the...

Flatted security vulnerability

Flatted is a lightweight and fast cycle-based JSON parser developed by Andrea Giammarchi. Versions of Flatted prior to 3.4.0 contained a security vulnerability. This vulnerability stemmed from the recursive depth of the parse function when handling specially crafted payloads, which could lead to ...

CVE-2026-31988

yauzl aka Yet Another Unzip Library version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate function. The while loop condition checks cursor data.length + 4 instead of cursor + 4 = data.length, allowing readUInt16LE to rea...

CVE-2026-31988

yauzl aka Yet Another Unzip Library version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate function. The while loop condition checks cursor data.length + 4 instead of cursor + 4 = data.length, allowing readUInt16LE to rea...

CVE-2026-2741

A flaw was found in Vaadin. During the automatic download and extraction of Node.js, a remote attacker could exploit a path traversal vulnerability. By intercepting or controlling the Node.js download, an attacker could serve a specially crafted ZIP archive. This malicious archive would allow fil...

Information Disclosure

Node.js is vulnerable to Information Disclosure. The vulnerability is due to improper buffer allocation handling when using the vm module with the timeout option, where interrupted allocations may return buffers containing uninitialized memory, potentially exposing leftover data such as tokens or...

CVE-2026-31901: Observable Response Discrepancy

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.34 and 9.6.0-alpha.8, the email verification endpoint /verificationEmailRequest returns distinct error responses depending on whether an email address belongs to an existing user, ...

CVE-2026-31988: Off-by-one Error

yauzl aka Yet Another Unzip Library version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate function. The while loop condition checks cursor data.length + 4 instead of cursor + 4 = data.length, allowing readUInt16LE to rea...

CVE-2026-32098: Exposure of Sensitive Information to an Unauthorized Actor

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.9 and 8.6.35, an attacker can exploit LiveQuery subscriptions to infer the values of protected fields without directly receiving them. By subscribing with a WHERE clause th...

CVE-2026-31868: Improper Neutralization of Input During Web Page Generation

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.4 and 8.6.30, an attacker can upload a file with a file extension or content type that is not blocked by the default configuration of the Parse Server...

CVE-2026-31808

file-type detects the file type of a file, stream, or data. Prior to 21.3.1, a denial of service vulnerability exists in the ASF WMV/WMA file type detection parser. When parsing a crafted input where an ASF sub-header has a size field of zero, the parser enters an infinite loop. The payload value...