Vulnerabilities

All ecosystems 658476 AlmaLinux 4792 Alpaquita 9539 Alpine 4133 Android 3262 Azure Linux 12016 BellSoft Hardened Containers 467 Bitnami 7867 Chainguard 6372 CleanStart 936 CRAN 14 crates.io 2392 Debian 56150 Echo 4006 GHC 3 GIT 81567 GitHub Actions 52 Go 6927 Hackage 30 Hex 101 Julia 845 Linux 15361 Mageia 5922 Maven 6485 MinimOS 41384 npm 218671 NuGet 1698 opam 14 openEuler 6749 openSUSE 12787 OSS-Fuzz 3883 Packagist 6267 Pub 11 PyPI 19633 Red Hat 20071 Rocky Linux 3075 Root 14045 RubyGems 1963 SUSE 20561 SwiftURL 51 Ubuntu 54271 VSCode 18 Wolfi 4085

GHSA-6gvq-jcmp-8959

Go/github.com/altcha-org/altcha-lib-go
Hex/altcha
Maven/org.altcha:altcha
Packagist/altcha-org/altcha
PyPI/altcha
... 2 more

ALTCHA Proof-of-Work Vulnerable to Challenge Splicing and Replay

16 Dec 2025

Fix available
Severity - 6.5 (Medium)