Resource exhaustion in jackson-databind - CVE-2026-50193
Published: August 24, 2026
Vulnerability identifier: #VU144592
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-2026-50193
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 JsonNode.toString() when serializing deeply nested JsonNode content created from user-supplied JSON. A remote attacker can send deeply nested JSON input to cause a denial of service.
Exploitation requires the service to read the input as JsonNode using ObjectMapper.readTree() and then serialize the same or modified node using JsonNode.toString().
Affected software
jackson-databind
JBoss Data Grid
JBoss Data Grid
How to mitigate CVE-2026-50193
Install security update from vendor's website.
jackson-databind - update to 2.14.0
JBoss Data Grid - update to 8.6.2
JBoss Data Grid - update to 8.6.2