{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91784","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","state":"PUBLISHED","assignerShortName":"CERT-PL","dateReserved":"2026-09-15T06:26:41.028Z","datePublished":"2026-10-02T08:38:42.744Z","dateUpdated":"2026-10-02T17:42:17.586Z"},"containers":{"cna":{"providerMetadata":{"orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","shortName":"CERT-PL","dateUpdated":"2026-10-02T08:42:17.946Z"},"title":"Argument Injection leading to arbitrary process termination in gotop","datePublic":"2026-10-02T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-88","description":"CWE-88 Improper neutralization of argument delimiters in a command ('argument injection')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-6","descriptions":[{"lang":"en","value":"CAPEC-6 Argument Injection"}]}],"affected":[{"vendor":"cjbassi","product":"gotop","repo":"https://github.com/cjbassi/gotop","versions":[{"status":"affected","version":"3.0.0","versionType":"semver"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"cjbassi/gotop is vulnerable to local argument injection via process termination functionality. The process name is passed directly to pkill without sanitization. A local attacker can create a process with a crafted name beginning with -- (e.g. containing a target user's UID). When the user running gotop invokes the kill feature on that process, pkill interprets the crafted name as a command-line option, terminating all processes owned by the targeted user.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nProduct is no longer actively supported and the vulnerabilities have not been fixed. Vulnerability was confirmed at version 3.0.0; other versions were not tested but may also be affected.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div><div>cjbassi/gotop is vulnerable to local argument injection via process termination functionality. The process name is passed directly to pkill&nbsp;without sanitization. A local attacker can create a process with a crafted name beginning with --&nbsp;(e.g. containing a target user's UID). When the user running gotop invokes the kill feature on that process, pkill&nbsp;interprets the crafted name as a command-line option, terminating all processes owned by the targeted user.</div></div></div><div><br></div><div><div><div></div><div></div><div></div></div></div><p><span>Product is no longer actively supported and the vulnerabilities have not been fixed.&nbsp;</span>Vulnerability was confirmed at version 3.0.0; other versions were not tested but may also be affected.</p>"}]}],"tags":["x_open-source","unsupported-when-assigned"],"references":[{"url":"https://cert.pl/en/posts/2026/10/CVE-2026-91784","tags":["third-party-advisory"]},{"url":"https://github.com/cjbassi/gotop","tags":["product"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Michał Majchrowicz (AFINE Team)","type":"finder"},{"lang":"en","value":"Marcin Wyczechowski (AFINE Team)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-02T17:42:07.598463Z","id":"CVE-2026-91784","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-02T17:42:17.586Z"}}]}}