CVE-2026-25526

9.8 CRITICAL
Published: February 04, 2026 Modified: February 20, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.7.6
Source: security-advisories@github.com
Product Release Notes
https://github.com/HubSpot/jinjava/releases/tag/jinjava-2.8.3
Source: security-advisories@github.com
Product Release Notes
https://github.com/HubSpot/jinjava/security/advisories/GHSA-gjx9-j8f8-7j74
Source: security-advisories@github.com
Patch Vendor Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.0%
12th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

hubspot