VulnerabilityAwaiting Analysis

CVE-2026-6009

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

HIGH 8.7EPSS 0.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.52% probability · 42th percentile
CISA KEV: Not listed
Weakness: CWE-502
Source: db6d2600-d19b-4111-a010-f3c4ed70cd50

References

https://community.jaspersoft.com/advisories/jaspersoft-security-advisory-may-19-2026-jaspersoft-library-cve-2026-6009-r11/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.