Is CVE-2025-3841 actively exploited?

No active exploitation of CVE-2025-3841 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-3841 be exploited remotely?

Yes. CVE-2025-3841 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-3841?

CVE-2025-3841 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2025-3841

CRITICAL

CVE-2025-3841

CWE-791Published: April 21, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation of the argument config['template'] leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

NVD Source

Technical Analysis

CVE-2025-3841 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.