Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-75627— Bastillion Authentication Bypass via Path-Prefix Routing Mismatch

Quick assessment

Affected
bastillion-io Bastillion
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Loophole Bastillion是Loophole公司的一款集中式SSH访问与审计的Web管理平台。 Loophole Bastillion 5.1.0及之前版本存在授权问题漏洞，该漏洞源于未能正确验证控制器调度器中的请求URI路径，可能导致未经身份验证的攻击者通过向请求添加任意路径段绕过身份验证过滤器，访问管理控制器以读取用户列表、创建管理员账户、注册受管系统，从而控制受管机群的SSH访问。

CVSS 9.8 · Critical EPSS 0.84% · P57

Affected Version Matrix 1

VendorProduct Version RangeStatus
bastillion-io Bastillion ≤ 5.1.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-75627

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Bastillion Authentication Bypass via Path-Prefix Routing Mismatch
Source: CVE Program / CVE List V5
Vulnerability Description
Bastillion fails to properly validate request URI paths in its controller dispatcher, allowing unauthenticated attackers to bypass authentication filters by prefixing requests with arbitrary path segments. Attackers can access administrative controllers to read user listings, create manager accounts, and register managed systems, gaining control over SSH access to the managed fleet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Loophole Bastillion 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Loophole Bastillion是Loophole公司的一款集中式SSH访问与审计的Web管理平台。 Loophole Bastillion 5.1.0及之前版本存在授权问题漏洞，该漏洞源于未能正确验证控制器调度器中的请求URI路径，可能导致未经身份验证的攻击者通过向请求添加任意路径段绕过身份验证过滤器，访问管理控制器以读取用户列表、创建管理员账户、注册受管系统，从而控制受管机群的SSH访问。
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
bastillion-io Bastillion 0 ~ 5.1.0 -

II. Public POCs for CVE-2026-75627

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 12395 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-75627

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-75627 (2)

Vendor Advisories for CVE-2026-75627 (1)

Proof of Concept for CVE-2026-75627 (1)

IV. Related Vulnerabilities

Same product: Bastillion
Same vendor: bastillion-io
Same weakness: CWE-288

V. Comments for CVE-2026-75627

No comments yet

Leave a comment