Resource exhaustion in jackson-databind - CVE-2026-68497
Published: August 24, 2026
Vulnerability identifier: #VU144594
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-68497
CWE-ID: CWE-400
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 uncontrolled resource consumption in CoreXMLDeserializers when deserializing JSON string values into javax.xml.datatype.Duration or javax.xml.datatype.XMLGregorianCalendar fields. A remote attacker can send a specially crafted request to cause a denial of service.
The issue is reachable with the default mapper configuration and does not require polymorphic typing or special configuration.
Affected software
jackson-databind
How to mitigate CVE-2026-68497
Install security update from vendor's website.
jackson-databind - addressed in versions 2.18.10, 2.21.6, 2.22.2, 3.1.6, 3.2.2