Portkey AI Gateway Server-Side Request Forgery via /v1/proxy/*
Priority MEDIUM 44CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00482 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Portkey-AI | gateway | 1.14.0 – 1.15.2 | — | No fix listed | CNA |
- gateway VendorPortkey-AI Affected 1.14.0 – 1.15.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-82270
- 2026-10-03 Alias added: GHSA-rv66-rgwx-xfrj
More Portkey-AI vulnerabilities
- TI-2026-74160 Server-side request forgery in Portkey AI Gateway CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-82270 · CVE Program
- CVE-2026-82270 · NVD
- FIRST EPSS
- GHSA-rv66-rgwx-xfrj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences