{"id":"CVE-2026-16077","state":"PUBLISHED","title":"AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following","description":"A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-07-18T06:45:07.835Z","updatedAt":"2026-07-20T15:17:34.665Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["AstrBotDevs AstrBot"],"affected":[{"vendor":"AstrBotDevs","product":"AstrBot","versions":[{"version":"4.25.0","status":"affected"},{"version":"4.25.1","status":"affected"},{"version":"4.25.2","status":"affected"},{"version":"4.25.3","status":"affected"},{"version":"4.25.4","status":"affected"},{"version":"4.25.5","status":"affected"}],"cpes":["cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*"],"modules":["Filesystem Computer-Use Tool"]}],"references":["https://vuldb.com/vuln/379792","https://vuldb.com/vuln/379792/cti","https://vuldb.com/cve/CVE-2026-16077","https://vuldb.com/submit/852865","https://gist.github.com/YLChen-007/d2581be79bb3caf9a032b0614dfc7728"],"weaknesses":["CWE-59"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16077.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16077","state":"PUBLISHED","datePublished":"2026-07-18T06:45:07.835Z","dateUpdated":"2026-07-20T15:17:34.665Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-07-17T13:39:33.904Z"},"containers":{"cna":{"title":"AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following","descriptions":[{"lang":"en","value":"A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"AstrBotDevs","product":"AstrBot","versions":[{"version":"4.25.0","status":"affected"},{"version":"4.25.1","status":"affected"},{"version":"4.25.2","status":"affected"},{"version":"4.25.3","status":"affected"},{"version":"4.25.4","status":"affected"},{"version":"4.25.5","status":"affected"}],"cpes":["cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*"],"modules":["Filesystem Computer-Use Tool"]}],"references":[{"url":"https://vuldb.com/vuln/379792","name":"VDB-379792 | AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/379792/cti","name":"VDB-379792 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-16077","name":"CVE-2026-16077 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/852865","name":"Submit #852865 | AstrBotDevs AstrBot <= 4.25.5 Improper Link Resolution Before File Access (CWE-59)","tags":["third-party-advisory"]},{"url":"https://gist.github.com/YLChen-007/d2581be79bb3caf9a032b0614dfc7728","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","type":"CWE","lang":"en","description":"Link Following"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-07-18T06:45:07.835Z"},"timeline":[{"time":"2026-07-17T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-07-17T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-07-17T15:45:50.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Eric-d (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-20T15:17:23.013438Z","id":"CVE-2026-16077","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-20T15:17:34.665Z"}}]}}}