Lucene search
+L

CVE-2026-91998 Casdoor through 4.4.0 Cross-Organization User Administration via /api/mcp

🗓️ 15 Sep 2026 11:35:52Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Casdoor through 4.4.0 contains an authorization bypass vulnerability in the /api/mcp endpoint that allows attackers with any application's clientId and clientSecret to gain unrestricted access to user administration across all organizations. Attac...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-91998
15 Sep 202613:27
circl
cve
CVE
CVE-2026-91998
15 Sep 202611:35
cve
euvd
EUVD
EUVD-2026-78438
15 Sep 202611:35
euvd
nvd
NVD
CVE-2026-91998
15 Sep 202612:17
nvd
ptsecurity
Positive Technologies
PT-2026-91938
15 Sep 202600:00
ptsecurity
[
  {
    "vendor": "casdoor",
    "product": "casdoor",
    "packageURL": "pkg:github/casdoor/casdoor",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "4.4.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "repo": "https://github.com/casdoor/casdoor"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

15 Sep 2026 11:35Current
CVSS 49.4
CVSS 3.19.9
4