CVE-2026-18676General

LOWCVSS 5.1 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-346CWE-942

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
General: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

General

1100.0%

Referenced assets1 URL

By indicator

https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-18676

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds47d
General
CVE-2026-18676 Kong Mesh Control Plane Exposes Admin JWT and Signing Keys https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-18676
Post summary
The brief notice indicates CVE-2026-18676 involves exposed Admin JWT and signing keys in the Kong Mesh Control Plane, but provides no further technical detail, exploitation evidence, or patch information.
00000134
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