1289 matches found
undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames
A flaw was found in undici. A malicious WebSocket server can exploit this by streaming numerous small or empty continuation frames. This can bypass per-frame and cumulative-size validation, leading to unbounded memory growth in the client process. The primary consequence is memory exhaustion,...
undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames
A flaw was found in undici. A malicious WebSocket server can exploit this by streaming numerous small or empty continuation frames. This can bypass per-frame and cumulative-size validation, leading to unbounded memory growth in the client process. The primary consequence is memory exhaustion,...
undici: undici: Denial of Service due to orphaned response body in retry handler
A flaw was found in undici. A remote attacker, by controlling a server, could exploit a vulnerability in undici's retry handler. When a server sends an incomplete response body and then a non-retryable status, the original response body can become orphaned and never properly closed. This leads to...
undici: undici: Denial of Service via unbounded decompression of compressed responses
A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...
undici: undici: Integrity failure due to caching of unsafe HTTP method responses
A flaw was found in undici. The cache interceptor incorrectly caches responses to unsafe HTTP methods, such as POST, PUT, or DELETE. A remote attacker can exploit this by providing a cacheable response, leading to subsequent state-changing requests being served from a stale cache entry without...
undici: undici: HTTP response splitting via retry interceptor
A flaw was found in undici. An attacker-controlled upstream server can exploit a vulnerability in the retry interceptor, which incorrectly appends data to a ranged retry response. This can cause the response body to be longer than the Content-Length observed by the application. Consequently, an...
undici: Undici: Response truncation and connection termination
A flaw was found in undici, a Node.js HTTP/1.1 client. When the dump interceptor processes oversized chunked responses that do not declare a Content-Length, it prematurely signals completion. This causes the application to receive an incomplete or empty response body, while the network connection...
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...
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...
undici: undici: Cross-user cookie disclosure via Set-Cookie caching
A flaw was found in undici. The software's caching mechanism, when operating in shared cache mode, improperly stores responses that include 'Set-Cookie' headers. This oversight allows an untrusted server to inject cookies into cached responses. Consequently, sensitive cookie information from one...
undici: undici: TLS certificate validation bypass in BalancedPool via dropped connect options
A flaw was found in undici's BalancedPool component. This vulnerability allows a remote attacker to bypass Transport Layer Security TLS certificate validation. The BalancedPool constructor incorrectly processes its options, silently discarding custom certificate validation functions. Consequently...
CVE-2026-21636
CVE-2026-21636 - Node.js Permission Model UDS/Network Bypass Vulnerability summary The Node.js permission model --permission is designed to sandbox a process by restricting access to the filesystem, child processes, workers, and network. CVE-2026-21636 reveals that connections made via undici/fet...
CVE-2026-85008
A flaw was found in undici. The cache interceptor incorrectly caches responses to unsafe HTTP methods, such as POST, PUT, or DELETE. A remote attacker can exploit this by providing a cacheable response, leading to subsequent state-changing requests being served from a stale cache entry without...
CVE-2026-18540
A flaw was found in undici. An attacker-controlled upstream server can exploit a vulnerability in the retry interceptor, which incorrectly appends data to a ranged retry response. This can cause the response body to be longer than the Content-Length observed by the application. Consequently, an...
ROOT-APP-NPM-CVE-2026-9679 CVE-2026-9679 in undici - Patched by Root
Root has patched CVE-2026-9679 in the undici package for Root:npm. Multiple fixed versions available...
ROOT-APP-NPM-CVE-2026-12151 CVE-2026-12151 in undici - Patched by Root
Root has patched CVE-2026-12151 in the undici package for Root:npm. Multiple fixed versions available...
UBUNTU-CVE-2026-85024
undici bundles a WebSocket client whose permessage-deflate size-limit...
UBUNTU-CVE-2026-84961
undicis BalancedPool constructor passes its entire options object thr...
