CVE-2025-46826

insa-auth Open-Redirect on provided CAS server login endpoint

Description

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.

Category

1.3
CVSS
Severity: Low
CVSS 4.0 •
EPSS 0.09%
Affected: INSAgenda insa-auth
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2025-46826?
CVE-2025-46826 has been scored as a low severity vulnerability.
How to fix CVE-2025-46826?
To fix CVE-2025-46826, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-46826 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46826 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46826?
CVE-2025-46826 affects INSAgenda insa-auth.
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