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CVE-2026-49096

Uncaught Exception in Kibana Cases Leading to Denial of Service

Published: Aug 13, 2026Updated: Aug 13, 2026 Sources: CVE List NVDCWE-248
4.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 82.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

Description

Uncaught Exception (CWE-248) in Kibana Cases can lead to denial of service via Input Data Manipulation (CAPEC-153). Malformed link syntax stored in a case comment was not rejected or sanitized when the comment was later formatted for display, and the resulting unhandled error prevented the affected case from being displayed. An authenticated user holding privileges to comment on a case could store such a comment, after which that case became inaccessible to every user who opened it until the stored comment was removed.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-248

Affected Products

Elastic
commercial·USaka elasticsearch co., elastic.co
Kibana
Databases

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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References

https://discuss.elastic.co/t/kibana-8-19-20-9-3-5-9-4-2-security-update-esa-2026-136/389492
discuss.elastic.co

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