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CVE-2026-84423— Casdoor upload-resource API resource.go missing authentication

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.

A vulnerability has been found in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing authentication. It is possible to launch the attack remotely. T

CVSS 7.3 · High
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I. Basic Information for CVE-2026-84423

Vulnerability Information

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Vulnerability Title
Casdoor upload-resource API resource.go missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Casdoor 4.0 cpe:2.3:a:casdoor:casdoor:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84423

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III. Intelligence Information for CVE-2026-84423

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Other References for CVE-2026-84423 (1)

Other References for CVE-2026-84423 (6)

Same Patch Batch · n/a · 2026-09-01 · 36 CVEs total

CVE-2026-51956 Grashjs Atlas CMMS v1.6.0前越权漏洞
CVE-2026-51761 TOTOLINK T6 4.1.5 更新LAN IP时存在访问控制缺陷
CVE-2026-51765 TOTO LINK T6 4.1.5：MQTT间接网格信息访问控制缺陷
CVE-2026-51768 TOTOLINK T6 4.1.5 MQTT越权控制漏洞
CVE-2026-51769 TOTOLINK T6 4.1.5cu.748 MQTT访问控制缺陷
CVE-2026-51770 TOTOLINK T6 4.1.5cu.748 MQTT未认证访问控制缺陷
CVE-2026-51767 TOTOLINK T6 4.1.5cu.748 未授权访问控制漏洞
CVE-2026-51934 Tenda A18 v.15.13.07.09 缓冲区溢出漏洞
CVE-2026-51788 cleverange_auth 0.1.10 远程服务中断漏洞
CVE-2026-51766 TOTOLINK T6 4.1.5cu 未认证访问控制导致远程重启
CVE-2026-52023 Kamailio 6.1.1 之前版本 DoS 漏洞
CVE-2026-52022 Kamailio 6.1.1 之前版本远程拒绝服务漏洞
CVE-2026-52131 llama.cpp b5693 存在可触发的断言漏洞
CVE-2026-52111 fast-note-sync-service<=2.13.7 管理端点认证密钥泄露致权限提升
CVE-2026-52130 llama.cpp b5693 之前版本 JSON转语法递归DoS
CVE-2026-51974 Fooocus 2.5.5 eval注入漏洞
CVE-2026-52132 llama.cpp指定提交前/rerank负top_n致拒绝服务
CVE-2026-52295 FFmpeg 7.0及以上版本缓冲区溢出漏洞
CVE-2026-51752 TOTOLINK T6 4.1.5 静态信息发送越权漏洞
CVE-2026-51745 TOTOLINK T6 4.1.5 MQTT 未认证访问控制漏洞

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Casdoor
Same vendor: n/a
Same weakness: CWE-306

V. Comments for CVE-2026-84423

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