CVE-2026-121589
spatie url-signer URL Validation AbstractUrlSigner.php validate type conversion
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| url-signer spatie |
2.1.0 (affected) 2.1.1 (affected) 2.1.2 (affected) 2.1.3 (affected) 2.1.4 (unaffected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | CNA: VulDB |
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 3.0 / 5.3 medium |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 2.0 / 5.0 medium |
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | CNA: VulDB |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://vuldb.com/vuln/430430CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/430430/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-121589CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1021957CNA: VulDB · third-party-advisory
- https://github.com/spatie/url-signer/commit/86af3355388210668f6bfbe9007bd6545d4942adCNA: VulDB · patch
- https://github.com/spatie/url-signer/releases/tag/2.1.4CNA: VulDB · patch
- https://github.com/spatie/url-signer/CNA: VulDB · product
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