VulnerabilityAwaiting Analysis

CVE-2026-16626

Improper restriction of XML external entity reference vulnerability (unauthenticated) in Jaspersoft JasperReports Server.

CRITICAL 9.3EPSS 0.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper restriction of XML external entity reference vulnerability (unauthenticated) in Jaspersoft JasperReports Server. This issue affects JasperReports Server: from 9.0.0 before HF-9 and from 10.0.0 before HF-10.

CVSS 4.0: 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.33% probability · 26th percentile
CISA KEV: Not listed
Weakness: CWE-611
Source: db6d2600-d19b-4111-a010-f3c4ed70cd50

References

https://community.jaspersoft.com/advisories/jaspersoft-security-advisory-august-05-2026-jasperreports-server-cve-2026-16626-r12/

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