CVE-2026-119129

CVSS 8.6 (high) · published 2026-10-29

ZITADEL 3.0.0 through 3.4.15 and 4.0.0 before 4.19.5 contains a missing authorization vulnerability in Login V2 that allows attackers to approve OAuth 2.0 device authorizations using a victim's existing session without consent. Attackers can send a signed-in user a link carrying the attacker's user code to obtain the victim's tokens, and can bypass project access settings via the OIDC device authorization API.

Weakness: CWE-862

Source: NVD CVE-2026-119129

References

• https://github.com/zitadel/zitadel/security/advisories/GHSA-qj3q-235g-qr6w
• https://www.vulncheck.com/advisories/zitadel-3.0.0-through-3.4.15-and-4.0.0-before-4.19.5-account-takeover-via-device-authorization-approval

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