Server-Side Request Forgery Vulnerability in Casdoor by Casdoor
CVE-2026-108572

5.3MEDIUM

Key Information:

Vendor

Casdoor

Status
Casdoor
Vendor
CVE Published:
11 October 2026

What is CVE-2026-108572?

A security vulnerability exists in the Casdoor system, specifically within the Proxy Validation function located in the controllers/cas.go file. The flaw can be exploited by manipulating the 'pgtUrl' argument, leading to server-side request forgery (SSRF). This vulnerability is accessible remotely and can allow attackers to launch various malicious activities through unauthorized requests to internal resources. The issue has been publicly disclosed, and users are advised to upgrade to version 4.11.0, which introduces a patch to mitigate this risk.

Affected Version(s)

Casdoor 3.164

Casdoor 4.0

Casdoor 4.1

References

https://vuldb.com/vuln/416229
vdb-entrytechnical-description
https://vuldb.com/vuln/416229/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108572
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

pngyuo (VulDB User)
VulDB Vulnerability Moderation Team
.