{"id":"CVE-2026-90809","title":"A vulnerability was identified in HKUDS nanobot up to 0.2.1","summary":"A vulnerability was identified in HKUDS nanobot up to 0.2.1. The affected element is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. Such manipulation leads to argu…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-74","CWE-88"],"vendor":"HKUDS","product":"nanobot","affected":["nanobot 0.2.0","nanobot 0.2.1"],"published":"2026-09-14","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:17:38.560","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90809","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/5306","label":"cna@vuldb.com"},{"url":"https://github.com/HKUDS/nanobot/pull/5345","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-90809","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/922850","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403311","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/403311/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-15T13:32:44.976748Z"},"epss":0.00326,"epssPercentile":0.25828,"ingestedAt":"2026-09-14T19:13:23.477Z","slug":"CVE-2026-90809","body":"## Overview\n\nA vulnerability was identified in HKUDS nanobot up to 0.2.1. The affected element is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. Such manipulation leads to argument injection. It is possible to launch the attack remotely. The name of the patch is af582246f141311d574551b7571a517bcc3df750. It is best practice to apply a patch to resolve this issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}