Critical severityNVD Advisory· Published Aug 25, 2026
CVE-2026-77138
CVE-2026-77138
Description
The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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