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Medium severity6.5NVD Advisory· Published Feb 26, 2026· Updated Jun 17, 2026

CVE-2026-26934

CVE-2026-26934

Description

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.

AI Insight

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

Affected products

6
  • Elastic/Kibanav54 versions
    8.18.0+ 3 more
    • (no CPE)range: 8.18.0
    • (no CPE)
    • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*range: >=8.18.0,<8.19.12
    • cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*
  • osv-coords2 versions
    pkg:bitnami/elkpkg:bitnami/kibana
    >= 8.18.0, < 8.19.12+ 1 more
    • (no CPE)range: >= 8.18.0, < 8.19.12
    • (no CPE)range: >= 8.18.0, < 8.19.12

Patches

Vulnerability mechanics

References

1

News mentions

0

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