{"id":"CVE-2026-88755","title":"Z.ai ZCode v3.11.2.6792 was discovered to automatically establish connections with MCP servers declared inside a repository's workspace configuration, possibly allowing attackers to execute arbitrary code via opening a crafted repository.","summary":"Z.ai ZCode v3.11.2.6792 was discovered to automatically establish connections with MCP servers declared inside a repository's workspace configuration, possibly allowing attackers to execute arbitrary code via opening a crafted repository.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-78","CWE-200","CWE-284","CWE-863"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:18:12.557","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88755","references":[{"url":"http://zai.com","label":"cve@mitre.org"},{"url":"http://zcode.com","label":"cve@mitre.org"},{"url":"https://gist.github.com/lkloliver/aac8dcf8a53fc4b3c1b0a5dfbf36ef68","label":"cve@mitre.org"},{"url":"https://github.com/lkloliver/poc/tree/main/CVE-2026-88755","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.0021,"epssPercentile":0.11164,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T19:06:22.170802Z"},"ingestedAt":"2026-10-16T15:11:47.118Z","slug":"CVE-2026-88755","body":"## Overview\n\nZ.ai ZCode v3.11.2.6792 was discovered to automatically establish connections with MCP servers declared inside a repository's workspace configuration, possibly allowing attackers to execute arbitrary code via opening a crafted repository.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":223352,"id":"CVE-2026-88755","ts":1792180123742,"field":"exploit_available","old":"false","new":"true"},{"seq":223351,"id":"CVE-2026-88755","ts":1792180123742,"field":"cvss","old":null,"new":"7.8"},{"seq":223350,"id":"CVE-2026-88755","ts":1792180123742,"field":"severity","old":"none","new":"high"}]}