GHSA-xq4h-wqm2-668w
Babylon's BIP322 signature implementation is not fully compliant to the spec
GHSA-xq4h-wqm2-668w is a medium vulnerability (CVSS 6.9) in github.com/babylonlabs-io/babylon/v4, published November 24, 2025. No source lists public exploit code. Fixed in github.com/babylonlabs-io/babylon/v4 4.1.0.
- Severity
- 6.9 MediumCVSS 4.0, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.1.0github.com/babylonlabs-io/babylon/v4 +3 more
Description
Summary
The BIP-322 signature verification does not enforce the SIGHASH value to be SIGHASH_ALL, and therefore is not strictly following the spec.
Impact
Non-compliant BIP-322 signatures in proof of possessions can be accepted by the chain.
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
- Low
- Availability
- None
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/babylonlabs-io/babylon/v4Go | before 4.1.0 | 4.1.0 |
github.com/babylonlabs-io/babylonGo | All versions | None known |
github.com/babylonlabs-io/babylon/v2Go | All versions | None known |
github.com/babylonlabs-io/babylon/v3Go | All versions | None known |
What each source reports
GitHub Advisories Score used
Babylon's BIP322 signature implementation is not fully compliant to the spec
Summary
The BIP-322 signature verification does not enforce the SIGHASH value to be SIGHASH_ALL, and therefore is not strictly following the spec.
Impact
Non-compliant BIP-322 signatures in proof of possessions can be accepted by the chain.
- Record
GHSA-xq4h-wqm2-668w- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-347
- Updated
- 2026-11-02
OSV
Babylon's BIP322 signature implementation is not fully compliant to the spec
Summary
The BIP-322 signature verification does not enforce the SIGHASH value to be SIGHASH_ALL, and therefore is not strictly following the spec.
Impact
Non-compliant BIP-322 signatures in proof of possessions can be accepted by the chain.
- Record
GHSA-xq4h-wqm2-668w- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-347
- Updated
- 2026-11-02
OSVGO-2025-4159No score
Babylon's BIP322 signature implementation is not fully compliant to the spec in github.com/babylonlabs-io/babylon
Babylon's BIP322 signature implementation is not fully compliant to the spec in github.com/babylonlabs-io/babylon
- Record
GO-2025-4159- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.