CVE-2026-96627

Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 2.6.0, UpdateUser in backend/api/handlers/users.go sets PasswordHash for any target without comparing caller and target privilege. A holder of delegated users:update permission can submit a password change for the global administrator, replace the administrator password, and authenticate as that account, resulting in complete global administrator account takeover. This issue is fixed in version 2.6.0.

• CWE-266
• CWE-269

• https://github.com/getarcaneapp/arcane/commit/21ea962f86d967dac8ae02a050f6e5f043d10fa1
• https://github.com/getarcaneapp/arcane/pull/3426
• https://github.com/getarcaneapp/arcane/releases/tag/backend/v2.6.0
• https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p

Published

Oct 16, 2026

Last Modified

Oct 16, 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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