CVE-2026-121589

A weakness has been identified in spatie url-signer up to 2.1.3. Affected is the function AbstractUrlSigner::validate of the file AbstractUrlSigner.php of the component URL Validation. This manipulation of the argument expires causes incorrect type conversion. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2.1.4 is able to address this issue. Patch name: 86af3355388210668f6bfbe9007bd6545d4942ad. It is recommended to upgrade the affected component.

• CWE-704

• https://github.com/spatie/url-signer/
• https://github.com/spatie/url-signer/commit/86af3355388210668f6bfbe9007bd6545d4942ad
• https://github.com/spatie/url-signer/releases/tag/2.1.4
• https://vuldb.com/cve/CVE-2026-121589
• https://vuldb.com/submit/1021957
• https://vuldb.com/vuln/430430
• https://vuldb.com/vuln/430430/cti

Published

Nov 4, 2026

Last Modified

Nov 4, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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