insa-auth Open-Redirect on provided CAS server login endpoint
Priority LOW 9CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
insa-auth is an authentication server for INSA Rouen. A minor issue allowed third-party websites to access the server's secondary authentication bridge, potentially revealing basic student information (name and number). However, the issue posed minimal risk, was never exploited, and had limited impact. A fix was implemented promptly on May 3, 2025.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00521 44th percentileScored 2026-11-07
Fix Fixed insa-auth (INSAgenda): 2025-05-03
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA insa-auth (INSAgenda) Fixed in 2025-05-03
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46826
References
Other 4
- https://github.com/INSAgenda/insa-auth/security/advisories/GHSA-63xr-gvjv-r6xv
- https://github.com/INSAgenda/insa-auth/commit/8c1e68b2fb55aa952f522ead55a6587526982a2c
- https://github.com/INSAgenda/insa-auth/commit/b0e7508e6ca4360e39fb1fd931f8d47b1f992ced
- https://github.com/INSAgenda/insa-auth/commit/c77cf2e25778f83ebf5c4fdb4ded3ffcc8cfd74d
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences