Incorrect Authorization in Kibana Leading to Privilege Escalation

published 2026-09-01 2 mo ago modified 2026-09-02 2 mo ago also EUVD-2026-69560

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.

Patch / fix

fixed in 1

elastic kibana 9.4.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-09-01)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected products

Elastic Kibana

Classification

Weakness

CWE-863 Incorrect Authorization

References

discuss.elastic.co /t/kibana-9-4-3-security-update-esa-2026-61/390086
vendor-advisory

Sources

CVE List CVE-2026-63137
NVD CVE-2026-63137

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary