PoC released for LibreOffice Calc vulnerability CVE-2026-63277, which runs code when a file opens. Five more flaws fixed. Upgrade to 26.2.5. Related Posts: Murrelektronik Will Not Fix Critical AAS Edge Client Flaw CVE-2026-94293, Urges Removal Researchers Publish Full Details and PoC Exploit for a WordPress libheif RCE Chain Critical Atlassian Flaw CVE-2026-21589 Exposes Files in Jira, Confluence, Bitbucket and Five More Products The post PoC Exploit and Technical Details Released for LibreOf