{"id":"CVE-2026-91140","published":"2026-10-06T14:17:48Z","modified":"2026-10-07T04:18:10Z","title":"An OS command injection vulnerability in the shell-based temporary-file cleanup instructions in Progress Software…","vendor":"Progress Software","product":"Autonomous REST Connector GenAI Agents","tier":"core","eol":null,"description":{"text":"An OS command injection vulnerability in the shell-based temporary-file cleanup instructions in Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator version 2.0 allows an attacker who supplies a crafted Swagger/OpenAPI document to execute arbitrary commands on a developer's machine when a user invokes the generator.","provenance":"source","from":"NVD"},"summary":{"text":"An OS command injection flaw exists in the shell-based temporary-file cleanup instructions of Progress Software's Autonomous REST Connector GenAI Agents, specifically the ARCGenAI-Generator component in version 2.0. An attacker who can supply a crafted Swagger/OpenAPI document can run arbitrary commands on a developer's machine, but only if a user is induced to invoke the generator on that document.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:16:21Z"},"cvss":{"score":9.6,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.02046,"percentile":0.81174,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":8,"pulses":[{"name":"Known_Cve | Oct 15, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6acf98726e4260f2f2ba3d49","created":"2026-10-14"},{"name":"Known_Cve | Oct 14, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ace466c18a71dd7afa3f788","created":"2026-10-13"},{"name":"Known_Cve | Oct 13, 2026 | Part 1/2","url":"https://otx.alienvault.com/pulse/6accf723f346ce4b8a50d55a","created":"2026-10-12"},{"name":"Known_Cve | Oct 12, 2026 | Part 1/2","url":"https://otx.alienvault.com/pulse/6acba8a68a86c4d9508005a7","created":"2026-10-11"},{"name":"Known_Cve | Oct 11, 2026 | Part 1/2","url":"https://otx.alienvault.com/pulse/6aca554665c47eb24716f8f2","created":"2026-10-10"},{"name":"Known_Cve | Oct 10, 2026 | Part 1/2","url":"https://otx.alienvault.com/pulse/6ac903591ff588ac9423f235","created":"2026-10-09"},{"name":"Known_Cve | Oct 9, 2026 | Part 2/2","url":"https://otx.alienvault.com/pulse/6ac7b1a3f215e7af4290dc2e","created":"2026-10-08"},{"name":"Known_Cve | Oct 8, 2026 | Part 2/2","url":"https://otx.alienvault.com/pulse/6ac65e5b607642608f852c9a","created":"2026-10-07"}],"provenance":"machine"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140","tags":[]},{"url":"https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-93397","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-93397","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-06","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91140","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":25.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":16.23,"detail":"percentile 0.8117"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":2.17,"detail":"8 pulses"},{"name":"CVSS severity","points":6.72,"detail":"base score 9.6"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}