# CVE-2026-115295: Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with read access to connectors in one Kibana space can retrieve connector execution log information from other spaces that they are not authorized to access. The disclosed information includes connector names and identifiers, execution status, timestamps, error messages, and aggregated execution statistics.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Elastic / Kibana: ≥ 8.7.0; ≤ 8.19.23 (affected, semver); ≥ 9.0.0; ≤ 9.4.8 (affected, semver); ≥ 9.5.0; ≤ 9.5.5 (affected, semver). Source: CNA: elastic

## Severity and prioritization

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N; source: CNA: elastic

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N; source: NVD: security@elastic.co

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-639

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://discuss.elastic.co/t/kibana-8-19-24-9-4-9-9-5-6-security-update-esa-2026-206/391360 (CNA: elastic)

- https://discuss.elastic.co/t/kibana-8-19-24-9-4-9-9-5-6-security-update-esa-2026-206/391360 (security@elastic.co)

## Provenance

- CNA: elastic: https://www.cve.org/CVERecord?id=CVE-2026-115295; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-115295; retrieved 2026-11-04; source updated 2026-11-03

Revision: aa8b5f5edee327f2c7095d3c96d2a0eaccb3e5f20d3b13f8f1d3d9c632b3bf2f

Canonical: https://y2.dev/cve/CVE-2026-115295

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.