EUVD-2026-77617Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (GitHub_M) · only source for this CVE.
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
5DescriptionCVE.org
Laravel MagicLink creates links for authentication without a password or for accessing private content. From 2.0.0 until 2.25.1, MagicLink stores serialized action objects in the magic_links.action database column and deserializes them through src/MagicLink.php and src/Actions/ResponseAction.php without sufficient integrity protection, while an unsafe legacy unserialize() fallback remains reachable. An attacker who can manipulate database records, such as through a separate SQL injection or compromised administrative access, can insert a malicious serialized object graph containing executable closure behavior; visiting the associated magic link then deserializes the record and can execute arbitrary code in the application process. The affected path is restricted to manipulated action records and does not independently provide database-write access. This issue is fixed in version 2.25.1.
AnalysisAI
Insecure deserialization in the Laravel MagicLink package (cesargb/laravel-magiclink) versions 2.0.0 through 2.25.0 lets an attacker who can already write to the magic_links.action database column — for example via a separate SQL injection or a compromised administrator account — plant a malicious serialized object graph containing an executable closure inside a magic link record. When that link is visited, the package deserializes the record without HMAC integrity checks or class allowlisting and executes the payload as arbitrary PHP code in the application process, yielding full remote code execution at the application's privilege level. …
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External POC / Exploit Code
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