VULNERABILITY INTELLIGENCE
CVE-2026-82270
CVSS score7.5 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-09-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
Portkey AI Gateway through 1.15.2 contains a server-side request forgery vulnerability in the /v1/proxy/* route that lacks requestValidator middleware. Attackers can set the x-portkey-custom-host header to internal addresses and forward requests with Authorization headers to reach internal services and exfiltrate provider API keys.
Weakness classification
- disclosure@vulncheck.com: CWE-918