CVE-2026-121589
Published:November 03, 2026
Updated:November 04, 2026
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.
Affected Packages
https://github.com/spatie/url-signer.git (GITHUB):
Affected version(s) >=1.0.0 <2.1.4 || >=2.0.0 <2.1.4Fix Suggestion:
Update to version 2.1.4spatie/url-signer (PHP):
Affected version(s) >=1.0.0 <2.1.4 || >=2.0.0 <2.1.4Fix Suggestion:
Update to version 2.1.4Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Incorrect Type Conversion or Cast
EPSS
Base Score:
0.42