CVE-2026-26934
Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.
- Affected products
- Kibana
- Elastic Kibana
- < 8.19.12, 9.2.6, 9.3.0
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.3% (20th percentile)
- Weakness
- CWE-1284
- NVD status
- Analyzed
- Published
- 2026-02-26
- Attack patterns
- CAPEC-153
CVE-2026-26934 at NVD
No indexed exploits for CVE-2026-26934 yet
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No exploit for CVE-2026-26934 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.