CISA-confirmed known exploited vulnerability

CVE-2021-3129

Laravel Ignition File Upload Vulnerability

Laravel · Ignition

Vulnerability details

Laravel Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of file_get_contents() and file_put_contents().

Added to CISA KEV: 2023-09-18

Ransomware campaign use: Known

CISA due date: 2023-10-09

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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