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CVE-2026-72564— fosrl Pangolin - Access Token Scope Bypass Allows Cross-Resource Authentication

Quick assessment

Affected
fosrl Pangolin
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.

Pangolin是Pangolin组织开源的一个代理服务器软件。 Pangolin 1.20.0及之前版本存在授权问题漏洞，该漏洞源于授权验证不当，在authWithAccessToken.ts处理程序中调用verifyResourceAccessToken()时未传递目标resourceId，导致经过身份验证的远程攻击者可重用针对不同资源颁发的访问令牌，从而认证到任意组织的任意资源。

CVSS 9.6 · Critical EPSS 0.44% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
fosrl Pangolin ≤ 1.20.0 affected
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I. Basic Information for CVE-2026-72564

Vulnerability Information
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Vulnerability Title
fosrl Pangolin - Access Token Scope Bypass Allows Cross-Resource Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Pangolin 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pangolin是Pangolin组织开源的一个代理服务器软件。 Pangolin 1.20.0及之前版本存在授权问题漏洞，该漏洞源于授权验证不当，在authWithAccessToken.ts处理程序中调用verifyResourceAccessToken()时未传递目标resourceId，导致经过身份验证的远程攻击者可重用针对不同资源颁发的访问令牌，从而认证到任意组织的任意资源。
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
fosrl Pangolin 0 ~ 1.20.0 -

II. Public POCs for CVE-2026-72564

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8306 chars
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III. Intelligence Information for CVE-2026-72564

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Patches & Fixes for CVE-2026-72564 (1)

Other References for CVE-2026-72564 (1)

IV. Related Vulnerabilities

Same product: Pangolin
Same vendor: fosrl
Same weakness: CWE-639

V. Comments for CVE-2026-72564

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