CVE-2026-46491: SimpleSAMLphp casserver FileSystemTicketStore path traversal allows out-of-ticket-directory read/unserialize and conditional deletion

high Affects simplesamlphp/simplesamlphp-module-casserver. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-15; advisory modified 2026-09-10.

SimpleSAMLphp casserver FileSystemTicketStore path traversal allows out-of-ticket-directory read/unserialize and conditional deletion

Package: simplesamlphp/simplesamlphp-module-casserver Composer
Affected versions: <7.0.3
Fixed in: 7.0.3
Severity: high CVSS 8.6
Exploitation: not on CISA KEV · EPSS 0% (36.4th percentile)
Published: 2026-05-15
Source: osv.dev

References

CWE-22

NVD record simplesamlphp/simplesamlphp-module-casserver advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2025-65954 medium SimpleSAMLphp casserver: Open Redirect in logout same package: simplesamlphp/simplesamlphp-module-casserver
CVE-2020-11738 KEV high The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before 3. same weakness: CWE-22
CVE-2020-36193 KEV high Directory Traversal in Archive_Tar same weakness: CWE-22
CVE-2024-9047 critical The WordPress File Upload plugin for WordPress is vulnerable to Path Traversal in all vers same weakness: CWE-22
CVE-2019-8943 medium WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has pri same weakness: CWE-22
CVE-2023-2745 medium WordPress Core is vulnerable to Directory Traversal in versions up to, and including, 6.2, same weakness: CWE-22