SSRF in Portkey-Ai Gateway
CVE-2026-82270
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82270?
- CVE-2026-82270 is a high-severity vulnerability in Portkey-Ai Gateway, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-08-28.
- How severe is CVE-2026-82270?
- High severity. CVSS v3 base score is 7.5 out of 10.