CVE detail
CVE-2026-18676
The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. Due to a CORS misconfiguration a cross-origin fetch() from a malicious page returns the admin JWT and signing material.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 22.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 8
- within the 30d window
- Peak daily
- 8
- highest bucket
Evidence
Source links by recency
8 source links · newest first
No excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PMNo excerpt available.
Exploitgithub.comAug 12, 2026, 7:17 PM- https://developer.konghq.com/mesh/changelog/developer.konghq.com
No excerpt available.
referencedeveloper.konghq.comAug 12, 2026, 7:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-46409CVSS 9.6 · Critical
OpenYak is a local-first agent runtime for reliable tool-using models, with a desktop workspace built on top. Prior to version 1.1.3, the OpenYak desktop backend binds an HTTP API…
- CVE-2026-46685CVSS 6.0 · Medium
RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, when RUSTFS_CORS_ALLOWED_ORIGINS is unset, the RustFS S3 listener's ConditionalCorsLayer reflec…
- CVE-2026-45021CVSS 5.1 · Medium
Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, the default kuma-cp co…
- CVE-2026-44184CVSS 8.0 · High
Cleanuparr is a tool for automating the cleanup of unwanted or blocked files in Sonarr, Radarr, and supported download clients like qBittorrent. Prior to 2.9.10, Cleanuparr's glo…
- CVE-2026-7643CVSS 2.1 · Low
A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lea…
- CVE-2026-7581CVSS 2.1 · Low
A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function on_prepare of the file app/main.py of the component CORS Policy. The mani…