CVE-2026-33590

{"id": "CVE-2026-33590", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33590", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-29T14:57:42.554840Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "affectedData": [{"vendor": "Portainer", "product": "Portainer Community Edition", "versions": [{"status": "affected", "version": "0", "lessThan": "2.39.0", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "2.38.0", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-28T20:16:23.163", "references": [{"url": "https://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52", "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}, {"url": "https://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c", "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}, {"url": "https://intwave.com/blog/2026/02/26/improving-portainer-security.html", "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}, {"url": "http://www.openwall.com/lists/oss-security/2026/06/12/2", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "description": [{"lang": "en", "value": "CWE-276"}]}], "descriptions": [{"lang": "en", "value": "Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent \n\naccess on the host."}], "lastModified": "2026-06-17T10:37:45.340", "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}