ThreatCluster

HackedGPT: Seven Vulnerabilities Found in GPT-4o and GPT-5

First seen 2 Dec 2025, 18:33 UTC • •12

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ThreatCluster •March 12, 2026 at 13:27 UTC

Seven new vulnerabilities have been identified in the AI models GPT-4o and GPT-5, potentially allowing for zero-day exploits. These vulnerabilities could impact various applications utilizing these models, raising significant security concerns within the cybersecurity community. The details surrounding the vulnerabilities and their implications are currently under analysis.

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4 entities, 2 inferred relationships (STIX 2.1).

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Technique (2)

Data Breach
Malware

Affected Platform (1)

GPT-4o

Tool (1)

Gpt-5

Relationships

Data Breach targets GPT-4o
Malware targets GPT-4o

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