CVE-2026-63139 json
Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
published 3mo ago modified 18d ago also BIT-elk-2026-63139 , BIT-kibana-2026-63139 , EUVD-2026-46411
- 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
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can exploit an uncontrolled resource consumption vulnerability in Kibana's Canvas functionality by sending a specially crafted request, causing the Kibana server process to terminate and resulting in a denial of service for all users of the affected Kibana instance.
Patch / fix
- bitnami elk 8.19.19, 9.3.8, 9.4.4
- bitnami kibana 8.19.19, 9.3.8, 9.4.4
- elastic kibana 8.19.19, 9.3.8, 9.4.4
- elasticsearch kibana 8.19.19, 9.3.8, 9.4.4
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-11).
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 |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | elk | >=8.0.0, <8.19.19 >=9.0.0, <9.3.8 >=9.4.0, <9.4.4 |
8.19.19 9.3.8 9.4.4 |
| bitnami | kibana | >=8.0.0, <8.19.19 >=9.0.0, <9.3.8 >=9.4.0, <9.4.4 |
8.19.19 9.3.8 9.4.4 |
Affected products
- Elastic Kibana
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
discuss.elastic.co
/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-63/388560
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-63139
web
Sources
- CVE List CVE-2026-63139
- NVD CVE-2026-63139
- OSV BIT-elk-2026-63139
- OSV BIT-kibana-2026-63139
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.