UN
Product
undici
by nodejs · last CVE Oct 15, 2026
52
CVEs
0
On KEV
9.8
Max CVSS
9
New 30D
Severity mix
Critical 6High 21Medium 20Low 5
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Add undici to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-6734
8.8
0%
Jun 17
undici vulnerable to cross-origin request routing via SOCKS5 proxy pool reuse
Affected: 7.23.0 before 7.28.0; 8.0.0 before 8.2.0
CVE-2026-84933
8.2
0%
Sep 4
undici vulnerable to cross-user cookie disclosure via Set-Cookie caching in shared caches
Affected: 7.0.0 before 7.29.1; 8.0.0 before 8.10.2
CVE-2026-87029
7.5
0%
Oct 15
undici vulnerable to Denial of Service via unhandled exception in the decompress interceptor
Affected: 7.15.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-109932
7.5
0%
Oct 15
undici WebSocket client vulnerable to Denial of Service via unbounded automatic PONG buffering
Affected: 5.15.0 before 6.29.1; 7.0.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-87018
7.5
0%
Oct 15
undici vulnerable to Denial of Service via TLS 1.2 certificate-changing renegotiation
Affected: 4.2.1 before 6.29.1; 7.0.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-109841
7.5
0%
Oct 15
undici vulnerable to Subresource Integrity bypass via non-lowercase algorithm tokens
Affected: 7.15.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-109924
7.5
0%
Oct 15
undici vulnerable to Denial of Service via unbounded memory in the EventSource parser
Affected: 6.5.0 before 6.29.1; 7.0.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-109869
7.5
0%
Oct 15
undici vulnerable to Denial of Service via unhandled error on excessive content-encodings
Affected: 6.23.0 before 6.29.1; 7.18.0 before 7.30.1; 8.0.0 before 8.12.2
CVE-2026-109855
7.5
0%
Oct 15
undici WebSocket client vulnerable to Denial of Service via failed HTTP/2 handshake
Affected: 8.11.0 before 8.11.2
CVE-2026-19534
7.5
0%
Sep 4
undici vulnerable to Denial of Service via unrequested WebSocket subprotocol
Affected: 6.7.0 before 6.28.1; 7.0.0 before 7.29.1; 8.0.0 before 8.10.2
CVE-2026-85014
7.5
0%
Sep 4
undici vulnerable to Denial of Service via WebSocketStream unclean close
Affected: 7.0.0 before 7.29.1; 8.0.0 before 8.10.2
CVE-2026-14643
7.5
0%
Jul 29
undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives
Affected: 7.0.0 before 7.29.0; 8.0.0 before 8.9.0
CVE-2026-9675
7.5
0%
Jun 17
undici WebSocket client vulnerable to denial of service via cumulative fragment bypass
Affected: 8.0.0 before 8.5.0
CVE-2026-12151
7.5
1%
Jun 17
undici WebSocket client vulnerable to denial of service via fragment count bypass
Affected: 6.17.0 before 6.27.0; 7.0.0 before 7.28.0; 8.0.0 before 8.5.0
CVE-2026-2229
7.5
1%
Mar 12
undici is vulnerable to Unhandled Exception in undici WebSocket Client Due to Invalid server_max_window_bits Validation
Affected: before 6.24.0; 7.0.0 before 7.24.0
CVE-2026-1528
7.5
0%
Mar 12
undici is vulnerable to Malicious WebSocket 64-bit length overflows undici parser and crashes the client
Affected: before 6.24.0; 7.0.0 before 7.24.0
CVE-2026-1526
7.5
1%
Mar 12
undici is vulnerable to Unbounded Memory Consumption in undici WebSocket permessage-deflate Decompression
Affected: before 6.24.0; 7.0.0 before 7.24.0
CVE-2026-22036
7.5
0%
Jan 14
Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion
Affected: < 6.23.0; >= 7.0.0, < 7.18.2
CVE-2023-24807
7.5
1%
Feb 16
Undici is an HTTP/1.1 client for Node.js
Affected: before 5.19.1
CVE-2026-85152
7.4
0%
Sep 4
undici vulnerable to cross-origin cache poisoning via missing origin isolation in interceptors
Affected: 8.10.0 before 8.10.2
CVE-2026-9697
7.4
0%
Jun 17
undici vulnerable to TLS certificate validation bypass via dropped requestTls in SOCKS5 ProxyAgent
Affected: 7.23.0 before 7.28.0; 8.0.0 before 8.5.0
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