Description
The proxy-cache and proxy-cache-advanced plugins in Kong Gateway Enterprise and Kong AI Gateway do not escape separator characters when building the cache key, allowing a remote attacker to cause a response cached for one request to be served for a different request on the same Route.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Kong | Kong Gateway Enterprise | 3.10.0.0 – < 3.10.0.20, 3.13.0.0 – < 3.13.0.12, 3.14.0.0 – < 3.14.0.17, 3.15.0.0 – < 3.15.0.7, 3.16.0.0 – < 3.16.0.2 | 3.10.0.20 |
| Kong | Kong AI Gateway | 2.2.0 – < 2.2.1 | 2.2.1 |
Advisories 1
- WID-SEC-2026-4488 Kong Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
References
- Kong Gateway changelog release-notes
- Kong AI Gateway changelog release-notes