{"slug": "show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm", "title": "Show HN: 0day Rubbish – AI-Discovered CVSS 9.8 RCE Chain in Cisco CUCM", "summary": "A security researcher published a proof-of-concept for a chain of zero-day vulnerabilities in Cisco Unified Communications Manager (CUCM) that achieves remote code execution with a CVSS score of 9.8. The vulnerabilities were discovered using AI-assisted fuzzing and affect all CUCM versions without the latest patches. Cisco has not yet released a fix, leaving enterprise voice systems exposed to potential takeover.", "body_md": "Article URL: \nhttps://0day-rubbish.com/blog/cisco-cucm-rce-chain\n\nComments URL: \nhttps://news.ycombinator.com/item?id=48829454\n\nPoints: 2\n\n# Comments: 0", "url": "https://wpnews.pro/news/show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm", "canonical_source": "https://0day-rubbish.com/blog/cisco-cucm-rce-chain", "published_at": "2026-07-08 09:04:23+00:00", "updated_at": "2026-07-08 09:30:25.160045+00:00", "lang": "en", "topics": ["ai-safety", "ai-research"], "entities": ["Cisco", "CUCM", "Cisco Unified Communications Manager"], "alternates": {"html": "https://wpnews.pro/news/show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm", "markdown": "https://wpnews.pro/news/show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm.md", "text": "https://wpnews.pro/news/show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm.txt", "jsonld": "https://wpnews.pro/news/show-hn-0day-rubbish-ai-discovered-cvss-9-8-rce-chain-in-cisco-cucm.jsonld"}}