Exploit for jackson-CVE-2020-8840

Remote code execution vulnerability in FasterXML jackson-databind (CVE-2020-8840).

Published 11 Sep 2026Updated 11 Sep 20263 sources
CVSS 9.8 PoC CANDIDATE

What happened

Remote code execution vulnerability in FasterXML jackson-databind (CVE-2020-8840).

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references