CVE-2026-82270: Server-Side Request Forgery (SSRF) in Portkey-AI gateway
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.
CVE-2026-82270: Server-Side Request Forgery (SSRF) in Portkey-AI gateway
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.
CVSS v4.0
Score 8.7high
Affected software
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T11:12:38.463Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a91e413acd9273b4942e8d4
Added to database: 08/28/2026, 19:40:03 UTC
Last updated: 08/29/2026, 00:56:39 UTC
Views: 4
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