CVE-2025-53895 ZITADEL has broken authN and authZ in session API and resulting session tokens
Authenticated users can hijack sessions by updating them without permission checks, enabling impersonation and access to sensitive resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53895?
CVE-2025-53895 is a high-severity missing authorization vulnerability in zitadel, published on 15 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ZITADEL is an open source identity management system. Starting in version 2.53.0 and prior to versions 4.0.0-rc.2, 3.3.2, 2.71.13, and 2.70.14, vulnerability in ZITADEL's session management API allows any authenticated user to update a session if they know its ID, due to a missing permission check. This flaw enables session hijacking, allowing an attacker to impersonate another user and access sensitive resources. Versions prior to `2.53.0` are not affected, as they required the session token for updates. Versions 4.0.0-rc.2, 3.3.2, 2.71.13, and 2.70.14 fix the issue.
Which versions are affected by CVE-2025-53895?
It affects 1 product.
Products include Zitadel Zitadel.
How do I fix CVE-2025-53895?
No fix has been published for CVE-2025-53895 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-53895 being exploited?
There is no known exploitation of CVE-2025-53895 in the wild and no public exploit code.
Other vulnerabilities in zitadel
- CVE-2026-29191 ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
- CVE-2025-67494 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login
- CVE-2025-27507 IDOR Vulnerabilities in ZITADEL's Admin API that Primarily Impact LDAP Configurations
- CVE-2025-64103 Zitadel Bypass Second Authentication Factor
- CVE-2025-31123 Zitadel Expired JWT Keys Usable for Authorization Grants
Sources
Also known as GHSA-6c5p-6www-pcmr.