CVE-2026-105214 Zitadel before 4.16.2 SSRF via Organization Domain HTTP Verification
Attackers can exploit SSRF in Zitadel's domain verification to scan internal networks and access cloud metadata by registering malicious domains.
- 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-2026-105214?
CVE-2026-105214 is a low-severity server-side request forgery vulnerability in zitadel, published on 4 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Zitadel before 4.16.2 contains a server-side request forgery vulnerability that allows attackers to make the server request internal resources through organization domain HTTP verification. The challenge fetch uses Go's default http.Get instead of the protected client, so attackers can register domains that redirect to loopback, internal, or cloud metadata addresses to scan ports and map internal networks.
Weakness: CWE-918
Which versions are affected by CVE-2026-105214?
How do I fix CVE-2026-105214?
No fix has been published for CVE-2026-105214 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-105214 being exploited?
There is no known exploitation of CVE-2026-105214 in the wild and no public exploit code.
Sources
Also known as GHSA-66r9-3738-gxmw, GHSA-93hm-8q29-c8cr.