{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8794", "assignerOrgId": "eb41dac7-0af8-4f84-9f6d-0272772514f4", "state": "PUBLISHED", "assignerShortName": "PaperCut", "dateReserved": "2026-05-17T23:10:23.139Z", "datePublished": "2026-08-03T07:02:42.064Z", "dateUpdated": "2026-08-03T07:02:42.064Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "eb41dac7-0af8-4f84-9f6d-0272772514f4", "shortName": "PaperCut", "dateUpdated": "2026-08-03T07:02:42.064Z"}, "title": "PaperCut NG/MF: User enumeration via timing attack", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-208", "description": "CWE-208 Observable timing discrepancy", "type": "CWE"}]}], "affected": [{"vendor": "PaperCut", "product": "PaperCut NG/MF", "versions": [{"status": "affected", "version": "0", "lessThan": "26.0.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated remote attacker can exploit this vulnerability to perform username enumeration by measuring response times during login attempts. The system executes a password hash comparison only when a valid account is supplied, creating a measurable timing oracle that reveals account existence.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated remote attacker can exploit this vulnerability to perform username enumeration by measuring response times during login attempts. The system executes a password hash comparison only when a valid account is supplied, creating a measurable timing oracle that reveals account existence.<br>"}]}], "references": [{"url": "https://www.papercut.com/kb/Main/papercut-ng-mf-security-bulletin-3-aug-2026/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Vivien Lebas", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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