{"id":"CVE-2026-56692","title":"NanoClaw before 2.1.17 contains a symlink following vulnerability in forwardAttachedFiles that allows container-controlled agents to exfiltrate host-readable files","summary":"NanoClaw before 2.1.17 contains a symlink following vulnerability in forwardAttachedFiles that allows container-controlled agents to exfiltrate host-readable files. The host validates attachment filenames using only isSafeAttachmentName …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-59"],"vendor":"nanocoai","product":"nanoclaw","affected":["nanoclaw < 2.1.17"],"published":"2026-06-23","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:16:51.767","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56692","references":[{"url":"https://github.com/nanocoai/nanoclaw/commit/28032bc0eca76c91fb3d8be0013e8bcaf2f5aeae","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nanocoai/nanoclaw/pull/2468","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nanoclaw-arbitrary-file-read-via-symlink-following-in-forwardattachedfiles","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-24T13:57:57.281930Z"},"epss":0.00166,"epssPercentile":0.05128,"ingestedAt":"2026-09-17T18:25:15.972Z","slug":"CVE-2026-56692","body":"## Overview\n\nNanoClaw before 2.1.17 contains a symlink following vulnerability in forwardAttachedFiles that allows container-controlled agents to exfiltrate host-readable files. The host validates attachment filenames using only isSafeAttachmentName before copying with fs.copyFileSync, which follows symlinks without containment checks, allowing malicious agents to disclose arbitrary host files.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}