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CVE-2026-108572— Casdoor Proxy Validation cas.go CasP3ProxyValidate server-side request forgery

Quick assessment

Affected
n/a Casdoor
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.

在 Casdoor 2.x 和 4.x 版本中（最高至 3.164.0/4.10.0），检测到一个安全漏洞。该漏洞存在于组件“代理验证（Proxy Validation）”的文件 controllers/cas.go 中的函数 CasP3ProxyValidate。通过操控参数 pgtUrl，可导致服务端请求伪造（SSRF）攻击。该攻击可从远程发起。此漏洞的利用代码已公开披露，可能被攻击者利用。升级到版本 4.11.0 可以修复此问题。修复该漏洞的补丁提交标识为 03c6c9aaa2eda5b085ce128ce0

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 13

VendorProduct Version RangeStatus
n/a Casdoor 3.164 affected
4.0 affected
4.1 affected
4.2 affected
4.3 affected
4.4 affected
4.5 affected
4.6 affected
… +5 more rows
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I. Basic Information for CVE-2026-108572

Vulnerability Information
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Vulnerability Title
Casdoor Proxy Validation cas.go CasP3ProxyValidate server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Casdoor up to 3.164.0/4.10.0. Affected is the function CasP3ProxyValidate of the file controllers/cas.go of the component Proxy Validation. Such manipulation of the argument pgtUrl leads to server-side request forgery. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Upgrading to version 4.11.0 is able to address this issue. The name of the patch is 03c6c9aaa2eda5b085ce128ce0d60b34094efbd9/ada08ecd10cbf158f593dee23a8bab63efecf995. It is advisable to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Casdoor 3.164 cpe:2.3:a:casdoor:casdoor:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108572

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III. Intelligence Information for CVE-2026-108572

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Vendor Pages for CVE-2026-108572 (2)

Same Patch Batch · n/a · 2026-10-11 · 4 CVEs total

CVE-2026-108539 6.3 MEDIUM GPAC MP4Box filter_queue.c gf_fq_pop use after free
CVE-2026-108538 6.3 MEDIUM GPAC MP4Box os_thread.c gf_mx_v use after free
CVE-2026-108770 5.3 MEDIUM Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgery

IV. Related Vulnerabilities

Same product: Casdoor
Same vendor: n/a
Same weakness: CWE-918

V. Comments for CVE-2026-108572

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