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CVE-2026-56146

Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure

Published: Jul 21, 2026Updated: Aug 6, 2026 Sources: CVE List NVDCWE-863
5.4MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 93.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-863

Affected Products

Elastic
commercial·USaka elasticsearch co., elastic.co
Kibana
Databases
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557
discuss.elastic.co

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