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TI-2026-62128 Aliases CVE-2026-91998GHSA-jvmw-g7rg-x26f

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

Priority HIGH 76CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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. Attackers can enumerate user records including password salts and email addresses, create administrator accounts, modify existing users, and delete them in any organization by supplying legitimate credentials from a single application.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00592 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Casdoorcasdoorup to 4.4.0—No fix listedCNA
  • casdoor VendorCasdoor Affected up to 4.4.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:*——Casdoor
  • cpe:2.3:a:casbin:casdoor:*:*:*:*:*:*:*:* Versions — — ·Casdoor

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-91998
  2. 2026-10-03 Alias added: GHSA-jvmw-g7rg-x26f

References

Exploit 1

Other 4

  • TI-2026-61806 Casdoor through 4.4.0 Private Key Exposure via Certificate Endpoints CVSS 4.0CRITICAL 9.3
  • TI-2026-13152 Improper privilege management in Casdoor CVSS 3.1CRITICAL 9.9
  • TI-2024-27720 GHSL-2024-035: Casdoor CORS misconfiguration CVSS 3.1HIGH 8.8
  • TI-2022-22096 Casdoor before v1.126.1 was discovered to contain an arbitrary file deletion vulnerability via the uploadFile function. CVSS 3.1HIGH 8.1
  • TI-2022-08069 The query API in Casdoor before 1.13.1 has a SQL injection vulnerability related to the… CVSS 3.1HIGH 7.5
  • TI-2023-17434 Casdoor v1.331.0 and below was discovered to contain a Cross-Site Request Forgery (CSRF)… CVSS 3.1MEDIUM 6.5
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences