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Anthropic's Project Glasswing CVE tally is still anyone's guess

ID: 07960aec-5913-5702-914d-73f0901e0f44

STIX ID: report--07960aec-5913-5702-914d-73f0901e0f44

Feed Name: The Register (Security)

Threat Score
30/100

Date Published: 2026-04-15

Date Updated: 2026-04-26

Author: Jessica Lyons

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Anthropic's Mythos LLM, previewed under Project Glasswing to a select set of industry partners, is claimed to autonomously identify and exploit vulnerabilities; independent CVE research found about 40 Anthropic-attributed records but only one CVE (CVE-2026-4747, a FreeBSD RCE) can be directly linked to the program, while other claimed discoveries remain unassigned or unconfirmed pending Anthropic's planned public summary.

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