Information disclosure in Undici
CVE-2026-13697
undici's cache interceptor mishandles malformed Cache-Control private directives. In undici 7.0.0 up to before 7.29.0 and 8.0.0 up to before 8.9.0, a response carrying a degenerate qualified private directive, such as private set to an emp…
Vulnerability class: Information Disclosure
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Undici — versions 7.0.0, 7.29.0, 8.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-13697?
- CVE-2026-13697 is a high-severity vulnerability in Undici, classified under Information Disclosure. CVSS score: 7.4/10. Published 2026-07-29.
- How severe is CVE-2026-13697?
- High severity. CVSS v3 base score is 7.4 out of 10.