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ANT-2026-P2DWB2SK · mastodon · Signature-bypass

🗓️ 30 Mar 2026 23:19:44Reported by AnthropicType 
anthropic
 anthropic
🔗 red.anthropic.com👁 22 Views

LD-Signature bypass in Mastodon via JSON-LD graph restructuring of Undo{Announce}; attacker reattributes boosts.

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20 May 2026 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 27.5
CVSS 3.19.8
EPSS0.01426
22