CVE-2026-56764CWE-208

Hono - Timing Attack in basicAuth and bearerAuth Middleware

Medium · published July 15, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
21.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00297 · 21.2th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2026-07-15T11:25Z
EPSS history
Timeline
  • 15 JUL 11:25Z
    Hono - Timing Attack in basicAuth and bearerAuth Middleware
    cvelistv5