GHSA-56j4-446m-qrf6: Github.com/babylonlabs io/babylon/v2 Babylon Vulnerable To Chain Half Vulnerability

HIGH
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CWE-755
Published
Advisory Summary

GHSA-56j4-446m-qrf6 is a HIGH babylon vulnerable to chain half vulnerability (CWE-755: Improper Handling of Exceptional Conditions) affecting Github.com/babylonlabs io/babylon/v2 libraries in the Go ecosystem. The issue involves babylon vulnerable to chain half when transaction has fees different than `ubbn`. Remediation is available by upgrading affected packages to version 2.2.0.

GHSA-56j4-446m-qrf6 at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-56j4-446m-qrf6
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-755: Improper Handling of Exceptional Conditions
Affected Product Github.com/babylonlabs io/babylon/v2
Package Ecosystem Go
Published Date
Last Updated

How to Fix GHSA-56j4-446m-qrf6

To remediate this vulnerability, upgrade all affected Github.com/babylonlabs io/babylon/v2 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/babylonlabs-io/babylon/v2 fixed: 2.2.0 
Upgrade github.com/babylonlabs-io/babylon/v2 to 2.2.0
github.com/babylonlabs-io/babylon fixed: Latest secure release 
Upgrade github.com/babylonlabs-io/babylon to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/babylonlabs-io/babylon/v2

How to Check if You Are Affected

To determine whether your application is affected by GHSA-56j4-446m-qrf6, inspect your project dependencies for Github.com/babylonlabs io/babylon/v2:

inspect dependencies for github.com/babylonlabs-io/babylon/v2

Analyze the terminal output to locate any version of Github.com/babylonlabs io/babylon/v2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.2.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-755: Improper Handling of Exceptional Conditions, where the product does not handle or incorrectly handles an exceptional condition. In Github.com/babylonlabs io/babylon/v2, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Summary Sending transactions with fees different than native Babylon genesis denom (`ubbn`) leads to chain halt. ### Impact Denial of Service - Due to panic in the `x/distribution` module `BeginBlocker` triggered by a error when sending fees from `feeCollector` to `x/distribution` module - https://github.com/cosmos/cosmos-sdk/blob/main/x/distribution/keeper/allocation.go#L28 Babylon Genesis will halt

GHSA-56j4-446m-qrf6 Affected Github.com/babylonlabs io/babylon/v2 Versions

2 component(s)
Fixed Versions:
2.2.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/babylonlabs-io/babylon/v2
golang/github.com/babylonlabs-io/babylon/v2
Go
< 2.2.0
2.2.0
github.com/babylonlabs-io/babylon
golang/github.com/babylonlabs-io/babylon
Go
≤ 1.1.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-56j4-446m-qrf6
Security Fix Commit FIX COMMIT
https://github.com/babylonlabs-io/babylon/commit/fe67aebd5216e7d3afa1d7dee2a3f82e548556f3
Github.com/babylonlabs io/babylon/v2 Source Repository REPOSITORY
https://github.com/babylonlabs-io/babylon
Github.com/babylonlabs io/babylon/v2 Source Repository REPOSITORY
https://github.com/cosmos/cosmos-sdk/blob/main/x/distribution/keeper/allocation.go#L28

Frequently Asked Questions

What is GHSA-56j4-446m-qrf6?
GHSA-56j4-446m-qrf6 is a security vulnerability in Github.com/babylonlabs io/babylon/v2 involving Babylon vulnerable to chain half when transaction has fees different than `ubbn` under CWE-755: Improper Handling of Exceptional Conditions.
Which Github.com/babylonlabs io/babylon/v2 versions are affected?
Affected versions include releases prior to 2.2.0 across affected packages: github.com/babylonlabs-io/babylon/v2, github.com/babylonlabs-io/babylon.
What version fixes GHSA-56j4-446m-qrf6?
Upgrading to 2.2.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/babylonlabs-io/babylon/v2 affected?
Yes, github.com/babylonlabs-io/babylon/v2 is affected in releases prior to 2.2.0. Upgrade your dependency to 2.2.0 or later.
Is github.com/babylonlabs-io/babylon affected?
Yes, github.com/babylonlabs-io/babylon is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with GHSA-56j4-446m-qrf6?
GHSA-56j4-446m-qrf6 is classified under CWE-755: Improper Handling of Exceptional Conditions (The product does not handle or incorrectly handles an exceptional condition.).
How can I check Go dependencies for GHSA-56j4-446m-qrf6?
Run the dependency tree command: 'inspect dependencies for github.com/babylonlabs-io/babylon/v2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-56j4-446m-qrf6",
  "modified" : "2025-07-29T23:43:41Z",
  "published" : "2025-06-30T17:54:02Z",
  "aliases" : [ ],
  "summary" : "Babylon vulnerable to chain half when transaction has fees different than `ubbn`",
  "details" : "### Summary\n\nSending transactions with fees different than native Babylon genesis denom (`ubbn`) leads to chain halt.\n\n### Impact\n\nDenial of Service - Due to panic in the `x/distribution` module `BeginBlocker` triggered by a error when sending fees  from `feeCollector` to `x/distribution` module - https://github.com/cosmos/cosmos-sdk/blob/main/x/distribution/keeper/allocation.go#L28 Babylon Genesis will halt",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/babylonlabs-io/babylon/v2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.2.0"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/babylonlabs-io/babylon"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.1.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-56j4-446m-qrf6"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/babylonlabs-io/babylon/commit/fe67aebd5216e7d3afa1d7dee2a3f82e548556f3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/babylonlabs-io/babylon"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cosmos/cosmos-sdk/blob/main/x/distribution/keeper/allocation.go#L28"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-755" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-06-30T17:54:02Z",
    "nvd_published_at" : null
  }
}