CVE-2026-82298: Incorrect Authorization in Kibana Leading to Denial of Service
Vulnerability summary
CVE-2026-82298 is a medium (CVSS 4.3) Incorrect Authorization vulnerability in elastic kibana. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30.9% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 03-09-2026PublishedVulnerability first disclosed.
- 03-09-2026Last modifiedVulnerability information updated.
Description
Incorrect Authorization (CWE-863) in Kibana can lead to denial of service via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.37% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Elastic1 product
- kibana≥ 8.0.0, ≤ 8.19.20 | ≥ 9.0.0, ≤ 9.4.5 | ≥ 9.5.0, ≤ 9.5.2
1 vendor · 1 product