Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-26934
PUBLISHED
More InfoOfficial Page
Assigner-elastic
Assigner Org ID-271b6943-45a9-4f3a-ab4e-976f3fa05b5a
View Known Exploited Vulnerability (KEV) details
Published At-26 Feb, 2026 | 17:03
Updated At-26 Feb, 2026 | 18:28
Rejected At-
▼CVE Numbering Authority (CNA)
Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service

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
Vendor
Elasticsearch BVElastic
Product
Kibana
Default Status
unaffected
Versions
Affected
  • From 8.18.0 through 8.19.11 (semver)
  • From 9.0.0 through 9.2.5 (semver)
  • From 9.3.0 through 9.3.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-1284CWE-1284 Improper Validation of Specified Quantity in Input
Type: CWE
CWE ID: CWE-1284
Description: CWE-1284 Improper Validation of Specified Quantity in Input
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-153CAPEC-153 Input Data Manipulation
CAPEC ID: CAPEC-153
Description: CAPEC-153 Input Data Manipulation
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-12/385248
N/A
Hyperlink: https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-12/385248
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found