CVE-2025-69820: Beam Exposes sensitive information via joinCleanPath function

January 22, 2026 (updated January 29, 2026)

Directory Traversal vulnerability in Beam beta9 v.0.1.552 allows a remote attacker to obtain sensitive information via the joinCleanPath function

References

github.com/advisories/GHSA-73jg-4qh6-3f4g
github.com/beam-cloud/beta9
github.com/beam-cloud/beta9/blob/c1cd75e813cf7d53e916157d920099e89ef45caa/pkg/abstractions/volume/multipart.go
github.com/ryotaromatsui/CVEs/tree/main/CVE-2025-69820
nvd.nist.gov/vuln/detail/CVE-2025-69820

Code Behaviors & Features

Detect and mitigate CVE-2025-69820 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →