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CVE-2026-25855— OpenBullet2 0.3.2 Authenticated RCE via FileProxySource Script Upload

Quick assessment

Affected
openbullet openbullet2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenBullet2是openbullet个人开发者的一个跨平台自动化测试与数据抓取工具。 OpenBullet2 0.3.2及之前版本存在操作系统命令注入漏洞，该漏洞源于FileProxySource代理加载功能，可能导致经过身份验证的用户通过上传脚本文件执行任意命令，攻击者可将恶意脚本文件作为代理源上传，导致服务器执行脚本并返回输出。

CVSS 8.8 · High EPSS 1.08% · P64

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
openbullet openbullet2 0.2.5≤ 0.3.2 affected
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I. Basic Information for CVE-2026-25855

Vulnerability Information
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Vulnerability Title
OpenBullet2 0.3.2 Authenticated RCE via FileProxySource Script Upload
Source: CVE Program / CVE List V5
Vulnerability Description
OpenBullet2 through version 0.3.2 contains a remote code execution vulnerability that allows authenticated users to execute arbitrary commands by uploading script files (.bat.ps1.sh) through the FileProxySource proxy loading feature. Attackers can upload malicious script files as proxy sources, causing the server to execute the scripts and return output as proxy lines, resulting in arbitrary command execution on the host as the process user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenBullet2 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenBullet2是openbullet个人开发者的一个跨平台自动化测试与数据抓取工具。 OpenBullet2 0.3.2及之前版本存在操作系统命令注入漏洞，该漏洞源于FileProxySource代理加载功能，可能导致经过身份验证的用户通过上传脚本文件执行任意命令，攻击者可将恶意脚本文件作为代理源上传，导致服务器执行脚本并返回输出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openbullet openbullet2 0.2.5 ~ 0.3.2 -

II. Public POCs for CVE-2026-25855

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III. Intelligence Information for CVE-2026-25855

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Vendor Advisories for CVE-2026-25855 (1)

Security Blog Posts for CVE-2026-25855 (1)

Same Patch Batch · openbullet · 2026-06-08 · 5 CVEs total

CVE-2026-25555 9.8 CRITICAL OpenBullet2 0.3.2 Authentication Bypass via X-Api-Key Header
CVE-2026-25559 8.8 HIGH OpenBullet2 0.3.2 Path Traversal via Wordlist Endpoint
CVE-2026-25856 8.8 HIGH OpenBullet2 0.3.2 Authenticated RCE via Job Configuration Interface
CVE-2026-39908 6.5 MEDIUM OpenBullet2 0.3.2 NTLMv2 Hash Disclosure via UNC Path Proxy Source

IV. Related Vulnerabilities

Same product: openbullet2
Same vendor: openbullet
Same weakness: CWE-78

V. Comments for CVE-2026-25855

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