CVE-2026-72628 json
Improper Handling of Highly Compressed Data in Kibana Leading to Denial of Service
published 2026-09-01 2 mo ago modified 2026-09-02 2 mo ago also EUVD-2026-69564
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
Improper Handling of Highly Compressed Data (CWE-409) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding Streams management privileges could supply specially crafted content that expands to a far larger volume of data during processing, exhausting the memory available to Kibana. The Kibana process is terminated by the host and remains unavailable to all users until the service is restarted.
Patch / fix
- elastic kibana 8.19.21, 9.4.6, 9.5.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Elastic Kibana
Classification
- Weakness
-
- CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
References
-
discuss.elastic.co
/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-125/390090
mitigation, vendor-advisory
Sources
- CVE List CVE-2026-72628
- NVD CVE-2026-72628
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