# Potential inter-blockchain communication (IBC) protocol compromise via "Dragonberry" vulnerability in cheqd

Source: https://junglewise.ai/threats/potential-inter-blockchain-communication-ibc-protocol-compromise-via-04222081  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-10-18  
License: CC BY 4.0 with a link back

Severity: info · Published 2022-10-18

Potential inter-blockchain communication (IBC) protocol compromise via "Dragonberry" vulnerability in cheqd

Technologies: [github.com/cheqd/cheqd-node (Go)](https://junglewise.ai/threats/technologies/github-com-cheqd-cheqd-node). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 18 October 2022.

**Which products and versions are affected?** github.com/cheqd/cheqd-node (Go) SEMVER:introduced=0,fixed=0.6.9.

**Is there a fix for This vulnerability?** Yes. github.com/cheqd/cheqd-node (Go): upgrade to 0.6.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run github.com/cheqd/cheqd-node (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/cheqd/cheqd-node (Go): upgrade to 0.6.9 or later

  ```sh
  go get github.com/cheqd/cheqd-node@v0.6.9
  ```


## Affected products

- github.com/cheqd/cheqd-node (Go) SEMVER:introduced=0,fixed=0.6.9

## Related threats

- [GO-2025-3520 - cheqd-node Security patch for upstream vulnerabilities in IBC-Go (ISA-2025-001) and Cosmos SDK…](https://junglewise.ai/threats/go-2025-3520-cheqd-node-security-patch-for-upstream-vulnerabilities-in-3d6855a7)
- [cheqd-node Security patch for upstream vulnerabilities in IBC-Go (ISA-2025-001) and Cosmos SDK (ISA-2025-002)](https://junglewise.ai/threats/cheqd-node-security-patch-for-upstream-vulnerabilities-in-ibc-go-isa-3880e74f)
- [GO-2025-3514 - cheqd-node affected by Non-deterministic JSON Unmarshalling of IBC Acknowledgement in github.com/cheqd/cheqd-node](https://junglewise.ai/threats/go-2025-3514-cheqd-node-affected-by-non-deterministic-json-2dab04e7)
- [cheqd-node affected by Non-deterministic JSON Unmarshalling of IBC Acknowledgement](https://junglewise.ai/threats/cheqd-node-affected-by-non-deterministic-json-unmarshalling-of-ibc-a21af52f)
- [GO-2022-1066 - Potential inter-blockchain communication (IBC) protocol compromise via "Dragonberry" vulnerability in…](https://junglewise.ai/threats/go-2022-1066-potential-inter-blockchain-communication-ibc-protocol-9a93a9e5)