CVE-2026-105688

Penpot is an open-source design and prototyping platform. Prior to 2.18.0, create-team-invitations and the invitation acceptance path allow a non-owner team administrator to assign the owner role because invitation roles are persisted and applied without the role-ceiling check used by update-team-member-role. An administrator can invite another account as an owner, create multiple owners, and then use the new owner account to obtain owner-only control over the team. This issue is fixed in version 2.18.0.

• CWE-269

• https://github.com/penpot/penpot/commit/5efd9cc3c5689485322f57b644b83a3bd2e33cee
• https://github.com/penpot/penpot/releases/tag/2.18.0
• https://github.com/penpot/penpot/security/advisories/GHSA-mx4v-cmxq-644v
• https://github.com/penpot/penpot/security/advisories/GHSA-mx4v-cmxq-644v

Published

Oct 5, 2026

Last Modified

Oct 6, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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