CVE-2026-56764

EUVD-2026-44631
Hono before 4.11.10 contains a timing attack vulnerability in the basicAuth and bearerAuth middlewares due to non-constant-time string comparison in the timingSafeEqual function. Attackers can exploit early termination of string equality checks to infer valid credentials through precise timing measurements.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
honohono
𝑥
< 4.11.10
CNA
Common Weakness Enumeration
References
https://github.com/honojs/hono/security/advisories/GHSA-gq3j-xvxp-8hrf
https://www.vulncheck.com/advisories/hono-timing-attack-in-basicauth-and-bearerauth-middleware