GHSA-56j4-446m-qrf6
Babylon vulnerable to chain half when transaction has fees different than `ubbn`
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
What each source reports
GitHub Advisories Score used
Babylon vulnerable to chain half when transaction has fees different than `ubbn`
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
- Record
GHSA-56j4-446m-qrf6- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-755
- Updated
- 2026-11-02
OSV
Babylon vulnerable to chain half when transaction has fees different than `ubbn`
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
- Record
GHSA-56j4-446m-qrf6- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-755
- Updated
- 2026-11-02
OSVGO-2025-3791No score
Babylon vulnerable to chain half when transaction has fees different than `ubbn` in github.com/babylonlabs-io/babylon
Babylon vulnerable to chain half when transaction has fees different than ubbn in github.com/babylonlabs-io/babylon
- Record
GO-2025-3791- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/babylonlabs-io/babylon/v2Go | before 2.2.0 | 2.2.0 |
github.com/babylonlabs-io/babylonGo | through 1.1.0 | None known |
github.com/babylonlabs-io/babylonGo | All versions | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-56j4-446m-qrf6 is a high vulnerability (CVSS 8.7) in github.com/babylonlabs-io/babylon/v2, published June 30, 2025. No source lists public exploit code. Fixed in github.com/babylonlabs-io/babylon/v2 2.2.0.
References
github.com/babylonlabs-io/babylon/security/advisories/GHSA-56j4-446m-qrf6