Low severity3.7NVD Advisory· Published Nov 3, 2026
CVE-2026-121735
CVE-2026-121735
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <4.3.4
Patches
Vulnerability mechanics
References
6- github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.3/app/models/UserModel.phpnvd
- github.com/blueprintue/blueprintue-self-hosted-edition/commit/8bba1615bf76b144ac5cd72637c243490f08bc37nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/pull/266nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.4nvd
- github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qp6g-7v4v-33r9nvd
- www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.4-non-expiring-account-confirmation-tokensnvd
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