# CVE-2026-25526

## Summary

- **CVE ID:** CVE-2026-25526
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-1336
- **Published:** Feb 4, 2026
- **Last Modified:** Mar 12, 2026

## Description

JinJava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Prior to versions 2.7.6 and 2.8.3, JinJava is vulnerable to arbitrary Java execution via bypass through ForTag. This allows arbitrary Java class instantiation and file access bypassing built-in sandbox restrictions. This issue has been patched in versions 2.7.6 and 2.8.3.

## Affected Products

- HubSpot — jinjava (< 2.7.6)
- HubSpot — jinjava (< 2.8.3)

## References

- [CNA](https://github.com/HubSpot/jinjava/security/advisories/GHSA-gjx9-j8f8-7j74)
- [CNA](https://github.com/HubSpot/jinjava/commit/3d02e504d8bbb13bf3fe019e9ca7b51dfce7a998)
- [CNA](https://github.com/HubSpot/jinjava/commit/c7328dce6030ac718f88974196035edafef24441)
- [CNA](https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.7.6)
- [CNA](https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.8.3)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.91%
- **EPSS Percentile:** 57.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._