VDB
GO-2025-4239
GO-2025-4239
PUBLISHED
ALTCHA Proof-of-Work Vulnerable to Challenge Splicing and Replay in github.com/altcha-org/altcha-lib-go
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | altcha-org/altcha-lib-go | 0, 0 |
Timeline
- Dec 16, 2025 CVE Published
- Feb 4, 2026 CVE Updated
References
- https://github.com/altcha-org/altcha-lib/security/advisories/GHSA-6gvq-jcmp-8959 advisory
- https://github.com/altcha-org/altcha-lib-go/commit/4a5610745ef79895a67bac858b2e4f291c2614b8 patch
- https://github.com/altcha-org/altcha-lib-ex/commit/09b2bad466ad0338a5b24245380950ea9918333e url
- https://github.com/altcha-org/altcha-lib-java/commit/69277651fdd6418ae10bf3a088901506f9c62114 url
- https://github.com/altcha-org/altcha-lib-java/releases/tag/v1.3.0 url
- https://github.com/altcha-org/altcha-lib-php/commit/9e9e70c864a9db960d071c77c778be0c9ff1a4d0 url
- https://github.com/altcha-org/altcha-lib-php/releases/tag/v1.3.1 url
- https://github.com/altcha-org/altcha-lib-rb/commit/4fd7b64cbbfc713f3ca4e066c2dd466e3b8d359b url
- https://github.com/altcha-org/altcha-lib/commit/cb95d83a8d08e273b6be15e48988e7eaf60d5c08 url
- https://github.com/altcha-org/altcha-lib/releases/tag/1.4.1 url