{"id":"CVE-2026-91784","state":"PUBLISHED","title":"Argument Injection leading to arbitrary process termination in gotop","description":"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.","publishedAt":"2026-10-02T08:38:42.744Z","updatedAt":"2026-10-02T17:42:17.586Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"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","source":"CERT-PL"},"assigner":"CERT-PL","products":["cjbassi gotop"],"affected":[{"vendor":"cjbassi","product":"gotop","defaultStatus":"unknown","versions":[{"version":"3.0.0","status":"affected","versionType":"semver"}],"repo":"https://github.com/cjbassi/gotop"}],"references":["https://cert.pl/en/posts/2026/10/CVE-2026-91784","https://github.com/cjbassi/gotop"],"weaknesses":["CWE-88"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91784.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91784","state":"PUBLISHED","datePublished":"2026-10-02T08:38:42.744Z","dateUpdated":"2026-10-02T17:42:17.586Z","assignerShortName":"CERT-PL","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateReserved":"2026-09-15T06:26:41.028Z"},"containers":{"cna":{"title":"Argument Injection leading to arbitrary process termination in gotop","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."}],"affected":[{"vendor":"cjbassi","product":"gotop","defaultStatus":"unknown","versions":[{"version":"3.0.0","status":"affected","versionType":"semver"}],"repo":"https://github.com/cjbassi/gotop"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-88","lang":"en","description":"CWE-88 Improper neutralization of argument delimiters in a command ('argument injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-PL","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateUpdated":"2026-10-02T08:42:17.946Z"},"datePublic":"2026-10-02T00:00:00.000Z","impacts":[{"capecId":"CAPEC-6","descriptions":[{"lang":"en","value":"CAPEC-6 Argument Injection"}]}],"tags":["x_open-source","unsupported-when-assigned"],"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-02T17:42:17.586Z"}}]}}}