---
title: "CVE-2026-108264: Wizarr - Remote Code Execution & Stored XSS"
description: "Wizarr prior to 2026.9.1 contains a remote code execution caused by unsafe evaluation of Markdown in a non-sandboxed Jinja2 environment, letting authenticated users or admins execute arbitrary Python and OS commands, exploit requires authenticated user or admin importing untrusted bundles."
url: https://panop.io/threat-heartbeat/CVE-2026-108264/
---

# CVE-2026-108264 Wizarr - Remote Code Execution & Stored XSS

Wizarr prior to 2026.9.1 contains a remote code execution caused by unsafe evaluation of Markdown in a non-sandboxed Jinja2 environment, letting authenticated users or admins execute arbitrary Python and OS commands, exploit requires authenticated user or admin importing untrusted bundles.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108264)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Information Disclosure, Client Script Exec

CVSS vector

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

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-1336](https://cwe.mitre.org/data/definitions/1336.html)

## Vendor fix

Update to version 2026.9.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108264](https://nvd.nist.gov/vuln/detail/CVE-2026-108264)
- [https://github.com/wizarrrr/wizarr/commit/6aa3c33c1b3d945e055ef116cc531028b3735bb7](https://github.com/wizarrrr/wizarr/commit/6aa3c33c1b3d945e055ef116cc531028b3735bb7)
- [https://github.com/wizarrrr/wizarr/releases/tag/v2026.9.1](https://github.com/wizarrrr/wizarr/releases/tag/v2026.9.1)
- [https://github.com/wizarrrr/wizarr/security/advisories/GHSA-h9rv-mxh2-35f3](https://github.com/wizarrrr/wizarr/security/advisories/GHSA-h9rv-mxh2-35f3)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)