{"id":"CVE-2026-90808","title":"A vulnerability was determined in HKUDS nanobot up to 0.2.1","summary":"A vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blackli…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-183","CWE-184"],"vendor":"HKUDS","product":"nanobot","affected":["nanobot 0.2.0","nanobot 0.2.1"],"published":"2026-09-14","updated":"2026-09-14","sourceUpdated":"2026-09-14T20:56:48.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90808","references":[{"url":"https://github.com/HKUDS/nanobot/","label":"cna@vuldb.com"},{"url":"https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750","label":"cna@vuldb.com"},{"url":"https://github.com/HKUDS/nanobot/issues/5305","label":"cna@vuldb.com"},{"url":"https://github.com/HKUDS/nanobot/pull/5345","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-90808","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/922849","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403310","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403310/cti","label":"cna@vuldb.com"},{"url":"https://github.com/HKUDS/nanobot/issues/5305","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T19:12:46.427617Z"},"ingestedAt":"2026-09-14T19:13:23.484Z","epss":0.00287,"epssPercentile":0.21429,"slug":"CVE-2026-90808","body":"## Overview\n\nA vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blacklist. It is possible to initiate the attack remotely. Patch name: af582246f141311d574551b7571a517bcc3df750. Applying a patch is the recommended action to fix this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":203280,"id":"CVE-2026-90808","ts":1789416906622,"field":"exploit_available","old":"false","new":"true"}]}