What is CVE-2026-46491?

CVE-2026-46491 is a high-severity vulnerability in Simplesamlphp Simplesamlphp-module-casserver, classified under Path Traversal. CVSS score: 8.6/10. Published 2026-06-10.

How severe is CVE-2026-46491?

High severity. CVSS v3 base score is 8.6 out of 10.

Path Traversal in Simplesamlphp Simplesamlphp-module-casserver

CVE-2026-46491

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. Prior to version 7.0.3, simplesamlphp-module-casserver builds file paths for the file-based CAS ticket store by directly concatenating…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (34.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Simplesamlphp Simplesamlphp-module-casserver — versions < 7.0.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46491?: CVE-2026-46491 is a high-severity vulnerability in Simplesamlphp Simplesamlphp-module-casserver, classified under Path Traversal. CVSS score: 8.6/10. Published 2026-06-10.
How severe is CVE-2026-46491?: High severity. CVSS v3 base score is 8.6 out of 10.