Vulnerability in Honojs Hono
CVE-2026-71848
Hono is a Web application framework that provides support for any JavaScript runtime. From 4.12.0 to 4.12.33, the languageDetector middleware is vulnerable to algorithmic complexity denial of service when processing a crafted language tag…
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Honojs Hono — versions >= 4.12.0, < 4.12.34
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-71848?
- CVE-2026-71848 is a medium-severity vulnerability in Honojs Hono, classified under Inefficient Algorithmic Complexity. CVSS score: 5.3/10. Published 2026-08-07.
- How severe is CVE-2026-71848?
- Medium severity. CVSS v3 base score is 5.3 out of 10.