Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoint trusts client-supplied external identity fields without a completed IdP callback. Unauthenticated attackers can submit forged IDPConfigID and ExternalUserID values to pre-create an account bound to a victim's external IdP identity, which the victim's later genuine external login then signs into.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
STABLE
CVE-2026-105215 ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoi… https://www.cve.org/CVERecord?id=CVE-2026-105215
#schwachstellen Kritische ZITADEL-Schwachstellen ermöglichen Kontoübernahme über Login und IdP-Verknüpfung #cve2026105207 #cve2026105209 #cve2026105211 #cve2026105215 #identityprovider #loginv1 #loginv2 #zitadel https://cybersecurity-news.de/zitadel-kritische-schwachstellen-kontouebernahme-cve-2026-105207-cve-2026-105209-cve-2026-105211-cve-2026-105215
🚨 CVE-2026-105215 (CVSS 9.1 Critical) ZITADEL Login V1 UI contains an authentication bypass flaw, allowing unauthenticated attackers to pre-hijack victim accounts using forged external IdP identity callbacks. https://www.thehackerwire.com/vulnerability/CVE-2026-105215/ https://t.co/jtRknFLicA