{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121735", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-03T22:17:05.690Z", "datePublished": "2026-11-03T22:55:39.265Z", "dateUpdated": "2026-11-03T22:55:39.265Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-03T22:55:39.265Z"}, "datePublic": "2026-11-02T00:00:00.000Z", "title": "blueprintUE Self-Hosted Edition before 4.3.4 Non-Expiring Account Confirmation Tokens", "descriptions": [{"lang": "en", "value": "blueprintUE self-hosted edition before 4.3.4 contains an insufficient session expiration vulnerability that allows attackers to confirm accounts using stale tokens because UserModel::findUserIDWithConfirmedToken ignores confirmed_sent_at. Attackers who obtain an old confirmation link from a compromised mailbox, backup, or forwarded mail can activate unconfirmed accounts and evade the unconfirmed-account cleanup job."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient Session Expiration", "cweId": "CWE-613", "type": "CWE"}]}], "affected": [{"vendor": "blueprintue", "product": "blueprintue-self-hosted-edition", "defaultStatus": "unaffected", "packageURL": "pkg:github/blueprintue/blueprintue-self-hosted-edition", "versions": [{"version": "0", "lessThan": "4.3.4", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/8bba1615bf76b144ac5cd72637c243490f08bc37", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition", "tags": ["product"]}, {"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qp6g-7v4v-33r9", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-qp6g-7v4v-33r9)"}, {"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/266", "tags": ["patch", "issue-tracking"]}, {"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.3/app/models/UserModel.php#L361-L368", "tags": ["technical-description"]}, {"url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.4", "tags": ["release-notes"], "name": "blueprintUE v4.3.4 Release Notes"}, {"name": "VulnCheck Advisory: blueprintUE Self-Hosted Edition before 4.3.4 Non-Expiring Account Confirmation Tokens", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.4-non-expiring-account-confirmation-tokens"}], "credits": [{"lang": "en", "value": "Farhan Khan", "type": "finder"}, {"lang": "en", "value": "rancoud", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/blueprintue/blueprintue-self-hosted-edition", "product": "blueprintue-self-hosted-edition", "vendor": "blueprintue", "versions": [{"lessThan": "4.3.4", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "blueprintUE self-hosted edition before 4.3.4 contains an insufficient session expiration vulnerability that allows attackers to confirm accounts using stale tokens because UserModel::findUserIDWithConfirmedToken ignores confirmed_sent_at. Attackers who obtain an old confirmation link from a compromised mailbox, backup, or forwarded mail can activate unconfirmed accounts and evade the unconfirmed-account cleanup job."}], "id": "CVE-2026-121735", "lastModified": "2026-11-03T23:17:37.540", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-03T23:17:37.540", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.3/app/models/UserModel.php#L361-L368"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/8bba1615bf76b144ac5cd72637c243490f08bc37"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/266"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.4"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qp6g-7v4v-33r9"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.4-non-expiring-account-confirmation-tokens"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-613"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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