Path Traversal in Beam Beta9
CVE-2025-69820
Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001
Affected products
- Beam Beta9 — versions 0.1.521
Weakness classification (CWE)
References
- github.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m (Not Applicable)
- github.com/ryotaromatsui/CVEs/tree/main/CVE-2025-69820 (Exploit, Third Party Advisory)
- github.com/beam-cloud/beta9/blob/c1cd75e813cf7d53e916157d920099e89ef45caa/pkg/a… (Product)
Frequently asked questions
- What is CVE-2025-69820?
- CVE-2025-69820 is a medium-severity vulnerability in Beam Beta9, classified under Path Traversal. CVSS score: 6.0/10. Published 2026-01-22.
- How severe is CVE-2025-69820?
- Medium severity. CVSS v3 base score is 6.0 out of 10.