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.
Published: 2026-11-10
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 12 Nov 2026 05:00:00 +0000

Type Values Removed Values Added
Title Cache Key Escaping Vulnerability in Kong Gateway Caching Plugins

Tue, 10 Nov 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-116
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Kong

Published:

Updated: 2026-11-10T21:45:39.935Z

Reserved: 2026-09-16T13:20:37.821Z

Link: CVE-2026-92558

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T22:21:15.413

Modified: 2026-11-12T19:09:06.967

Link: CVE-2026-92558

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T04:45:21Z

Weaknesses
  • CWE-116

    Improper Encoding or Escaping of Output