CVE-2026-49088 json
Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure
published 4mo ago modified 17d ago also EUVD-2026-41093
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
Insertion of Sensitive Information into Log File (CWE-532) in Kibana can lead to information disclosure. When the optional application performance monitoring (APM) instrumentation is enabled, sensitive request header values could be recorded in application logs, where they may be accessible to operators with log access.
Patch / fix
- elastic kibana 8.18.9, 8.19.6, 9.0.8, 9.1.6
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Elastic Kibana
Classification
- Weakness
-
- CWE-532 Insertion of Sensitive Information into Log File
References
-
discuss.elastic.co
/t/kibana-8-18-9-8-19-6-9-0-8-9-1-6-security-update-esa-2026-50
vendor-advisory, mitigation
Sources
- CVE List CVE-2026-49088
- NVD CVE-2026-49088
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