Improper Authorization in hono - CVE-2025-62610
Published: July 24, 2026
Vulnerability identifier: #VU139324
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-62610
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized cross-service access.
The vulnerability exists due to improper authorization in the JWT authentication middleware when processing JWTs without audience validation. A remote attacker can present a valid token issued for a different audience to gain unauthorized cross-service access.
User interaction is required.
Affected software
hono
How to mitigate CVE-2025-62610
Install security update from vendor's website.
hono - update to 4.10.2