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CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

🗓️ 11 May 2026 21:42:54Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 23 Views

DeepChat CVE-2026-43899 allows RCE via Markdown links bypassing isValidExternalUrl; fixed in v1.0.4-beta.1.

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11 May 2026 21:42Current
6Medium risk
Vulners AI Score6
CVSS 3.19.6
EPSS0.0033
SSVC
23