Input validation error in devalue - CVE-2026-81176
Published: September 3, 2026
Vulnerability identifier: #VU146864
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-81176
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in devalue.parse when parsing untrusted input. A remote attacker can send a specially crafted payload to cause a denial of service.
The issue occurs because out-of-bounds indices are not properly rejected, which can trigger quadratic work with respect to payload size.
Affected software
devalue
How to mitigate CVE-2026-81176
Install security update from vendor's website.
devalue - update to 5.9.2