CVE-2026-25526 | THREATINT

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.

PUBLISHED Reserved 2026-02-02 | Published 2026-02-04 | Updated 2026-02-05 | Assigner GitHub_M

CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine

Product status

< 2.7.6

affected

< 2.8.3

affected

References

github.com/...injava/security/advisories/GHSA-gjx9-j8f8-7j74

github.com/...ommit/3d02e504d8bbb13bf3fe019e9ca7b51dfce7a998

github.com/...ommit/c7328dce6030ac718f88974196035edafef24441

github.com/HubSpot/jinjava/releases/tag/jinjava-2.7.6

github.com/HubSpot/jinjava/releases/tag/jinjava-2.8.3

cve.org (CVE-2026-25526)

nvd.nist.gov (CVE-2026-25526)

Download JSON