{"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"}}}}