CVE-2026-25526
Last modified
CVE-2026-25526 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hubspot | Jinjava | < 2.7.6 |
| Hubspot | Jinjava | >= 2.8.0, < 2.8.3 |
References
- https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.7.6Product, Release Notes
- https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.8.3Product, Release Notes
- https://github.com/HubSpot/jinjava/security/advisories/GHSA-gjx9-j8f8-7j74Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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