# CVE-2026-105307: Casdoor API authentication bypass in API Endpoint

Source: https://junglewise.ai/threats/cve-2026-105307-a-vulnerability-was-detected-in-casdoor-up-to-3-161-1-affected  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-05. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-105307 · Severity: high · CVSS 7.3 · Published 2026-10-05

Casdoor is an open-source identity and access management platform used to authenticate users and control access to applications. A vulnerability in the API endpoint allows attackers to bypass authentication checks through API manipulation, potentially gaining unauthorized access to protected resources and sensitive data without valid credentials.

Vendors: [Casdoor](https://junglewise.ai/threats/vendors/casdoor).

## Quick answers

**Is CVE-2026-105307 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-105307 being exploited in the wild.

**How severe is CVE-2026-105307?** High severity, with a CVSS score of 7.3, published 5 October 2026.

**Which products and versions are affected?** Casdoor up to 3.161.1.

**Is there a fix for CVE-2026-105307?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-105307 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-105307?** Check whether you run Casdoor at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists in the ApiFilter function within routers/authz_filter.go and allows missing authentication validation at the API endpoint level. An unauthenticated remote attacker can manipulate API requests to bypass authentication controls and access restricted functionality, with no preconditions required beyond network access.

## Affected products

- Casdoor Casdoor up to 3.161.1

## Timeline

- 2026-10-05: disclosed
- other: Exploit is publicly available

## References

- [https://vuldb.com/cve/CVE-2026-105307](https://vuldb.com/cve/CVE-2026-105307)
- [https://vuldb.com/submit/951430](https://vuldb.com/submit/951430)

## Related threats

- [Casdoor proxy validation server-side request forgery](https://junglewise.ai/threats/cve-2026-108572-a-security-vulnerability-has-been-detected-in-casdoor-up-to-3)