Secuno
ENNL
Book demo

CVE-2026-25526

Hubspot Jinjava vulnerability

9.8 CRITICALEPSS 1.00%
  1. Published4 Feb 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Hubspot Jinjava≥ 2.8.0 < 2.8.3 · < 2.7.6

Remediation

Fixed in
Hubspot Jinjava≥ 2.8.3

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1096528.8
Frappe ERPNext before 15.119.1 and 16.x before 16.32.0 contains a server-side template…
CVE-2026-1093058.8
Craft CMS from 5.10.2 before 5.10.14 contains a Twig sandbox bypass that allows…
CVE-2026-1082649.1
Wizarr is an advanced user invitation and management system for Jellyfin, Plex, Emby,…
CVE-2026-672739.6
Dell Container Storage Modules, versions prior to 1.18.0, contain(s) an Improper…
CVE-2026-1059858.8
Craft CMS 5.10.13.2 contains an authenticated remote code execution vulnerability in…
CVE-2026-1048518.8
fsspec is a specification and Python implementation framework for filesystem…

Frequently asked

Is CVE-2026-25526 being actively exploited?

CVE-2026-25526 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.00%.

How severe is CVE-2026-25526?

CVE-2026-25526 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.00% probability of exploitation.

Which products are affected by CVE-2026-25526?

Affected products include Hubspot Jinjava.

How do I fix CVE-2026-25526?

Upgrade affected software to a fixed version, for example Hubspot Jinjava 2.8.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25526 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.