CVE-2026-63143: elastic kibana Missing Authorization
Vulnerability summary
CVE-2026-63143 is a medium (CVSS 4.3) Missing Authorization vulnerability in elastic kibana. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.4% of scored vulnerabilities.
Timeline
- 21-07-2026PublishedVulnerability first disclosed.
- 22-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Elastic1 product
- kibana≥ 9.4.0, ≤ 9.4.3 | ≥ 9.3.0, ≤ 9.3.7 | ≥ 9.0.0, < 9.3.8 | ≥ 9.4.0, < 9.4.4
1 vendor · 1 product