CVE-2025-46826
insa-auth Open-Redirect on provided CAS server login endpoint
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
1.3
insa-auth Open-Redirect on provided CAS server login endpoint
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.
- Record
CVE-2025-46826- CVSS 4.0
- 1.3 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:A/V:D/RE:L - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2025-13947
1.3
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.
- Record
EUVD-2025-13947- CVSS 4.0
- 1.3 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:A/V:D/RE:L - Updated
- 2026-11-02
NVD
1.3
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.
- Record
CVE-2025-46826- CVSS 4.0
- 1.3 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:A/V:D/RE:L/U:X - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-46826 is a low vulnerability (CVSS 1.3) in Insagenda Insa-auth, published May 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.
References
github.com/INSAgenda/insa-auth/security/advisories/GHSA-63xr-gvjv-r6xv
github.com/INSAgenda/insa-auth/commit/8c1e68b2fb55aa952f522ead55a6587526982a2c
github.com/INSAgenda/insa-auth/commit/b0e7508e6ca4360e39fb1fd931f8d47b1f992ced
github.com/INSAgenda/insa-auth/commit/c77cf2e25778f83ebf5c4fdb4ded3ffcc8cfd74d