CVE-2026-110719 Portkey AI Gateway 1.14.0 through 1.15.2 SSRF via x-portkey-custom-host Header
Unauthenticated attackers can exploit SSRF in Portkey AI Gateway to access internal loopback and Docker services via a crafted header.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110719?
CVE-2026-110719 is a medium-severity server-side request forgery vulnerability in Portkey-AI gateway, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Portkey AI Gateway 1.14.0 through 1.15.2 contains a server-side request forgery vulnerability that allows unauthenticated attackers to reach loopback and Docker host services because isValidCustomHost trusts localhost-style hosts when TRUSTED_CUSTOM_HOSTS is unset. Attackers can send /v1 requests with a crafted x-portkey-custom-host header, such as via the ollama provider, to make the gateway call internal services and return their responses.
Weakness: CWE-918
Which versions are affected by CVE-2026-110719?
How do I fix CVE-2026-110719?
No fix has been published for CVE-2026-110719 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-2026-110719 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110719 exists.
Sources
Also known as GHSA-h36v-27jx-93r3.