Live › vulnerability › CVE-2026-121589
A weakness in the URL validation function of the spatie url-signer PHP library, up to version 2.1.3, mishandles the expires argument through incorrect type conversion. A remote attacker may be able to use a signed URL beyond its intended validity period.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-04 00:46 UTC. All times on this page are UTC.
Applications that use spatie/url-signer up to 2.1.3 to validate signed URLs with an expiry time are exposed, because the expires argument is converted incorrectly during validation. Projects that do not use this library, or that do not rely on signed URL expiry, can skip it. unknown whether any specific configuration is required.
No product ranges from the sources yet.
composer.lock or with composer show spatie/url-signerAbstractUrlSigner::validate or signed URLs that use an expires parameter2.1.4Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
This page as .md · .json · in your agent: get_signal("CVE-2026-121589")
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.