Deserialization in Jaspersoft Jasperreports Io At-scale

CVE-2026-6009

Java Deserialisation Vulnerability in Jaspersoft Reports Library leads to Remote Code Execution (RCE), potentially allowing code execution on the affected system

Vulnerability class: Insecure Deserialization

EPSS: 0.004 (63.7th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-6009?
CVE-2026-6009 is a vulnerability in Jaspersoft Jasperreports Io At-scale, classified under Deserialization of Untrusted Data. Published 2026-05-19.
Is CVE-2026-6009 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.