Critical severity9.8NVD Advisory· Published Feb 4, 2026· Updated Jun 17, 2026
CVE-2026-25526
CVE-2026-25526
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.hubspot.jinjava:jinjavaMaven | >= 2.8.0, < 2.8.3 | 2.8.3 |
com.hubspot.jinjava:jinjavaMaven | < 2.7.6 | 2.7.6 |
Affected products
10- osv-coords8 versionspkg:apk/chainguard/kayenta-2025.0pkg:apk/chainguard/kayenta-2025.1pkg:apk/chainguard/kayenta-2025.2pkg:apk/chainguard/kayenta-fips-2025.0pkg:apk/chainguard/kayenta-fips-2025.1pkg:apk/chainguard/kayenta-fips-2025.2pkg:apk/chainguard/wso2ispkg:maven/com.hubspot.jinjava/jinjava
< 2025.0.8-r6+ 7 more
- (no CPE)range: < 2025.0.8-r6
- (no CPE)range: < 2025.1.6-r4
- (no CPE)range: < 2025.2.3-r3
- (no CPE)range: < 2025.0.8-r7
- (no CPE)range: < 2025.1.6-r3
- (no CPE)range: < 2025.2.3-r3
- (no CPE)range: < 7.3.0-r0
- (no CPE)range: >= 2.8.0, < 2.8.3
Patches
Vulnerability mechanics
References
7- github.com/HubSpot/jinjava/commit/3d02e504d8bbb13bf3fe019e9ca7b51dfce7a998nvdPatchWEB
- github.com/HubSpot/jinjava/commit/c7328dce6030ac718f88974196035edafef24441nvdPatchWEB
- github.com/HubSpot/jinjava/security/advisories/GHSA-gjx9-j8f8-7j74nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-gjx9-j8f8-7j74ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-25526ghsaADVISORY
- github.com/HubSpot/jinjava/releases/tag/jinjava-2.7.6nvdProductRelease NotesWEB
- github.com/HubSpot/jinjava/releases/tag/jinjava-2.8.3nvdProductRelease NotesWEB
News mentions
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