What’s Vulnerable › Vulnerabilities

CVE-2026-105030: Kener 4.0.0 before 4.1.6 Hidden Monitor Data Disclosure via Dashboard API

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-03 · updated 2026-10-06
• Weakness: CWE-200

Description

Kener 4.0.0 before 4.1.6 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve hidden or inactive monitor data by querying dashboard API handlers lacking visibility filters. Attackers can supply a known or guessed monitor tag to endpoints such as monitor-bar and monitor-latency-chart to obtain names, descriptions, status, uptime history and latency.

Affected products

• rajnandan1 kener: from 4.0.0 before 4.1.6 — fixed in 4.1.6

How to fix

Upgrade to a fixed version: rajnandan1 kener 4.1.6. Check the vendor advisory for mitigations.

References

• https://github.com/rajnandan1/kener
• https://github.com/rajnandan1/kener/commit/e8ce31898bf73ffe6be07c9b299da2a7330ddba5
• https://github.com/rajnandan1/kener/issues/848
• https://www.vulncheck.com/advisories/kener-4.0.0-before-4.1.6-hidden-monitor-data-disclosure-via-dashboard-api

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