CVE-2026-63143: Missing Authorization (CWE-862) in Kibana can lead to unauthorized information disclosure via Privilege Abuse (CAPEC-122). A user with limited feature privileges can access workflo

mediumCVSS 4.3CVE-2026-63143

Missing Authorization (CWE-862) in Kibana can lead to unauthorized information disclosure via Privilege Abuse (CAPEC-122). A user with limited feature privileges can access workflow execution outputs in their Kibana space without the authorization required to do so through the documented API. The accessible data may include sensitive information returned by workflow steps, such as results from connected data sources that the caller would not otherwise be authorized to access.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 4.3
Published: 2026-07-21
Last updated: 2026-07-22
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-63143

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-631430.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-63143	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[NEW] [medium] Kibana: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Elastic products (July 22, 2026)cert-fr-avis

Recent advisories for Missing Authorization

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-15227: Missing authorization in Checkmk <2.5.0p10, <2.4.0p35, <2.3.0p49, and 2.2.0 (EOL) allows an au…nvd · 2026-07-31
highCVE-2026-15397: The Subscriptions for WooCommerce plugin for WordPress is vulnerable to Missing Authorization …nvd · 2026-07-30
unknownCVE-2026-66724: MWDB Core versions >=2.0.0 and <2.19.0 contain a missing authorization vulnerability in the de…nvd · 2026-07-29
unknownCVE-2026-66723: MWDB Core versions >=2.2.0 and <2.19.0 contain a missing authorization vulnerability in the Re…nvd · 2026-07-29
criticalCVE-2026-14488: The Meta Box AIO plugin for WordPress is vulnerable to Missing Authorization via the template_…nvd · 2026-07-29
highCVE-2026-50622: Description: Missing Authorization in Apache Atlas. A missing authorization vulnerability in A…nvd · 2026-07-29