{"id":"CVE-2026-121735","published":"2026-11-03T23:17:37.540","lastModified":"2026-11-03T23:17:37.540","description":"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.","cvssScore":3.7,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-613"],"vendors":[],"products":[],"references":[{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.3/app/models/UserModel.php#L361-L368","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/8bba1615bf76b144ac5cd72637c243490f08bc37","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/266","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.4","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qp6g-7v4v-33r9","tags":[]},{"url":"https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.4-non-expiring-account-confirmation-tokens","tags":[]}],"exploitRefs":[{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.3/app/models/UserModel.php#L361-L368","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/8bba1615bf76b144ac5cd72637c243490f08bc37","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/266","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.4","tags":[]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qp6g-7v4v-33r9","tags":[]}],"hasPoc":true,"ai":null}