# CVE-2026-49088: Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure

> CVE-2026-49088: Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure. CVSS 4.4 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-49088
Last updated: 2026-10-25T17:10:00Z

- Published: 2026-07-01 16:59 UTC · Updated: 2026-10-25 17:10 UTC · Assigner: elastic
- CVSS: 4.4 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS: 0.32%, 25th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-532

## Description

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.

## Affected vendors and products

- Elastic: Kibana

## Tracked companies

- [Elastic Cloud](https://rewindex.com/company/elastic-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-49088)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-49088)
- [https://discuss.elastic.co/t/kibana-8-18-9-8-19-6-9-0-8-9-1-6-security-update-esa-2026-50](https://discuss.elastic.co/t/kibana-8-18-9-8-19-6-9-0-8-9-1-6-security-update-esa-2026-50)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2026-49088 · Markdown: https://rewindex.com/cve/CVE-2026-49088.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-49088 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:10:44.717Z