Description
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority as it was published in error.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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openexecution-coder/demo-cve-2026-4821 ★ 0 · Feb 20, 2026
AIエージェントCVE修復 + OpenExecutionプロベナンス
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-1231 Microsoft GitHub Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 21, 2026