8.7

CVE-2026-6009: jaspersoft jasperreports io at-scale Deserialization of Untrusted Data

CVSS: 8.7v4.0HighAwaiting analysis
AliasesUBUNTU-CVE-2026-6009GHSA-9wxq-mwqw-8hhg
Published 19-05-2026Last modified 20-05-2026
Open JSON

Vulnerability summary

CVE-2026-6009 is a high (CVSS 8.7) Deserialization of Untrusted Data vulnerability in jaspersoft jasperreports io at-scale. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.66%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-05-2026
    PublishedVulnerability first disclosed.
  2. 20-05-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

+0.15 pp

From 0.52% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jaspersoft8 products
Net.sf.jasperreports1 product
  • jasperreports< 7.0.7
Ubuntu1 product
  • jasperreportsAll versions (No fix recorded)

3 vendors · 10 products

References

6 links