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.
Published:Aug 28, 2026
Last Modified:Aug 31, 2026
EPS:Aug 28, 2026
EPSS Score:0.00277
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Portkey-ai
Product
Gateway
Portkey-ai
Gateway
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
