CVE-2026-56764

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.

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/honojs/hono/security/advisories/GHSA-gq3j-xvxp-8hrf
https://www.vulncheck.com/advisories/hono-timing-attack-in-basicauth-and-bearerauth-middleware

Configurations

No configuration.

History

15 Jul 2026, 12:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-15 12:18

Updated : 2026-07-15 21:02

NVD link : CVE-2026-56764

Mitre link : CVE-2026-56764

CVE.ORG link : CVE-2026-56764

JSON object : View

Products Affected

No product.

CWE

CWE-208

Observable Timing Discrepancy

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