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Anthropic Reports Over 10,000 High-Severity Bugs Found in Project Glasswing

Anthropic said its AI-assisted security testing program has identified more than 10,000 high- or critical-severity vulnerabilities. The company is working with about 50 partner organizations and expanding the project to additional participants.

Benzinga
1 source·May 22, 9:02 PM(6 days ago)·1m read
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Anthropic Reports Over 10,000 High-Severity Bugs Found in Project Glasswingnbcnews.com
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Anthropic reported that its Project Glasswing security testing effort has uncovered more than 10,000 high- or critical-severity vulnerabilities across widely used software systems. The company has collaborated with roughly 50 partner organizations on the project.

It stated that the main remaining challenge is the human workload needed to verify findings, coordinate disclosures, and deploy patches.

Preview tool scanned more than 1,000 open-source projects in recent months. The scan identified an estimated 6,202 high- or critical-severity vulnerabilities. Of those findings, 1,752 were reviewed by six independent security research firms or, in limited cases, by Anthropic.

4 percent were validated as high or critical severity. Anthropic stated it is expanding Project Glasswing to additional partners.

Key Facts

More than 10,000 vulnerabilities
high- or critical-severity found by Project Glasswing
Roughly 50 partner organizations
collaborating on Project Glasswing
6,202 vulnerabilities
estimated in 1,000+ open-source projects by Mythos Preview
90.6 percent confirmed
of reviewed issues validated as legitimate vulnerabilities

Potential Impact

  1. 01

    Partner organizations will allocate staff time to verify and patch identified vulnerabilities.

  2. 02

    Maintainers of scanned open-source projects may receive coordinated disclosure requests.

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count119 words
PublishedMay 22, 2026, 9:02 PM
Bias signals removed1 across 1 outlet
Signal Breakdown
Amplifying 1

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