CVE-2026-92558
Received
Received - Intake
Kong Gateway Enterprise Cache Key Separator Injection
Vulnerability report for CVE-2026-92558, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-10
Last updated on: 2026-11-10
Assigner: Kong
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Kong Inc. | Kong Gateway Enterprise | From 3.10.0.0 (inc) to 3.10.0.20 (exc) |
| Kong Inc. | Kong Gateway Enterprise | From 3.13.0.0 (inc) to 3.13.0.12 (exc) |
| Kong Inc. | Kong Gateway Enterprise | From 3.14.0.0 (inc) to 3.14.0.17 (exc) |
| Kong Inc. | Kong Gateway Enterprise | From 3.15.0.0 (inc) to 3.15.0.7 (exc) |
| Kong Inc. | Kong Gateway Enterprise | From 3.16.0.0 (inc) to 3.16.0.2 (exc) |
| Kong Inc. | Kong AI Gateway | From 2.2.0 (inc) to 2.2.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-116 | The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. |
