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Medium severity6.5NVD Advisory· Published Mar 19, 2026· Updated Jun 17, 2026

CVE-2026-26940

CVE-2026-26940

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Elastic/Kibana3 versions
    cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*range: >=8.0.0,<8.19.13
    • (no CPE)
    • (no CPE)range: 9.3.0

Patches

Vulnerability mechanics

References

1

News mentions

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