GHSA-h2rp-8vpx-q9r4 cheqd-node Security patch for upstream vulnerabilities in IBC-Go (ISA-2025-001) and Cosmos SDK (ISA-2025-002)

Not scored Published

Attackers can halt the blockchain network by exploiting non-deterministic JSON unmarshalling and error handling flaws in IBC-Go and Cosmos SDK dependencies.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is GHSA-h2rp-8vpx-q9r4?

GHSA-h2rp-8vpx-q9r4 is a denial of service vulnerability in github.com/cheqd/cheqd-node, published on 13 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Description

There have been two upstream security advisories and associated patches published under ISA-2025-001 and ISA-2025-002.

ISA-2025-001 affects the IBC-Go package., where non-deterministic JSON unmarshalling of IBC Acknowledgements can result in a chain halt.

ISA-2025-002 affects the Cosmos SDK package, where x/group can halt when erroring in EndBlocker.

Impact

If unaddressed, this could result in a chain halt.

Patches

Validators, full nodes, and IBC relayers should upgrade to cheqd-node v3.1.8. This upgrade does not require a software upgrade proposal on-chain and is meant to be non state-breaking.

Which versions are affected by GHSA-h2rp-8vpx-q9r4?

3 open source packages ship an affected version, including github.com/cheqd/cheqd-node.

PackageAffectedFixed in
github.com/cheqd/cheqd-node GoAll versionsNone
github.com/cheqd/cheqd-node GoAll versions3.1.8
github.com/cheqd/cheqd-node GoAll versions3.1.8

How do I fix GHSA-h2rp-8vpx-q9r4?

Upgrade github.com/cheqd/cheqd-node to 3.1.8 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is GHSA-h2rp-8vpx-q9r4 being exploited?

There is no known exploitation of GHSA-h2rp-8vpx-q9r4 in the wild and no public exploit code.

Sources

Also known as GO-2025-3520.

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