Vulnerability · Published May 7, 2025 · Assigned by GitHub_M

CVE-2025-46826insa-auth Open-Redirect on provided CAS server login endpoint

Low 1.3

In plain English

A low-severity open redirect in insa-auth from INSAgenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 4.0)1.3Low

Exploit odds (30 days)0.5%top 56.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
INSAgenda	insa-auth	< 2025-05-03

Weakness: CWE-601 · Vector: 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

References

https://github.com/INSAgenda/insa-auth/security/advisories/GHSA-63xr-gvjv-r6xv x_refsource_CONFIRM
https://github.com/INSAgenda/insa-auth/commit/8c1e68b2fb55aa952f522ead55a6587526982a2c x_refsource_MISC
https://github.com/INSAgenda/insa-auth/commit/b0e7508e6ca4360e39fb1fd931f8d47b1f992ced x_refsource_MISC
https://github.com/INSAgenda/insa-auth/commit/c77cf2e25778f83ebf5c4fdb4ded3ffcc8cfd74d x_refsource_MISC