PT-2026-47343 · Openbullet · Openbullet2

Maksim Rogov + 1 · Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-25856

NVD

CVSS v3.1

8.8

High

Base vector

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

OpenBullet2 through version 0.3.2 contains an authenticated remote code execution vulnerability that allows authenticated users to execute arbitrary C# code on the server host by creating or modifying job configurations. Attackers can leverage the plain C# execution mode, which lacks reference filtering or API restrictions, to access the file system, spawn processes, and invoke arbitrary .NET APIs as the process user.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-25856

Affected Products

Openbullet2

References · 3

• 🔥 https://hackernoon.com/one-empty-header-to-admin-how-an-auth-bypass-breaks-openbullet2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-25856 · Security Note
• https://vulncheck.com/advisories/openbullet2-authenticated-rce-via-job-configuration-interface · Note