Undici
47 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Undici, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Undici CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 1 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 1 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 1 |
| 2026-02 | 0 |
| 2026-03 | 6 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 8 |
| 2026-07 | 5 |
| 2026-08 | 0 |
| 2026-09 | 11 |
Severity
How the 47 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- High12
- Medium23
- Low12
Latest CVEs
The 15 most recently published vulnerabilities affecting Undici.
- CVE-2026-18149undici vulnerable to Denial of Service via orphaned RetryHandler response body5.9
- CVE-2026-18540undici vulnerable to downstream response splitting via retry interceptor3.7
- CVE-2026-19534undici vulnerable to Denial of Service via unrequested WebSocket subprotocol7.5
- CVE-2026-84890undici vulnerable to Denial of Service via unbounded decompression of compressed responses5.9
- CVE-2026-84933undici vulnerable to cross-user cookie disclosure via Set-Cookie caching in shared caches6.5
- CVE-2026-84947undici vulnerable to response truncation via oversized chunked responses in the dump interceptor3.7
- CVE-2026-84961undici vulnerable to TLS certificate validation bypass via dropped connect options in BalancedPool7.4
- CVE-2026-85008undici vulnerable to caching and replay of unsafe HTTP method responses3.7
- CVE-2026-85152undici vulnerable to cross-origin cache poisoning via missing origin isolation in interceptors7.4
- CVE-2026-85014undici vulnerable to Denial of Service via WebSocketStream unclean close5.9
- CVE-2026-85024undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression5.9
- CVE-2026-15157undici vulnerable to CRLF Injection via blob-like body 'type' property4.2
- CVE-2026-14643undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives5.9
- CVE-2026-16728undici vulnerable to downstream response desynchronization via retry interceptor4.8
- CVE-2026-16729undici vulnerable to cookie attribute injection via unsanitized domain and unparsed setCookie fields4.8
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