CVE-2026-91784

{"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\u00a0without sanitization. A local attacker can create a process with a crafted name beginning with --\u00a0(e.g. containing a target user's UID). When the user running gotop invokes the kill feature on that process, pkill\u00a0interprets 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.\u00a0Vulnerability 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": "Micha\u0142 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"}}]}}

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