CVE-2026-26940
Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.
- Affected products
- Kibana
- Elastic Kibana
- < 8.19.13, 9.2.7, 9.3.2
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.3% (19th percentile)
- Weakness
- CWE-1284
- NVD status
- Analyzed
- Published
- 2026-03-19
- Attack patterns
- CAPEC-130
CVE-2026-26940 at NVD
No indexed exploits for CVE-2026-26940 yet
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No exploit for CVE-2026-26940 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.