# Beam Cloud Beta9 Worker vulnerabilities

Source: https://junglewise.ai/threats/technologies/beta9-worker  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/beta9-worker.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Beam Cloud Beta9 Worker: 0 in the last 7 days and 3 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120308, was published on 1 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. 3 critical against 0.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (3 critical, 0 exploited in the wild)

## About Beam Cloud Beta9 Worker

Containerized execution environment component that processes and runs distributed workloads on Beam Cloud infrastructure.

## Latest Beam Cloud Beta9 Worker vulnerabilities

- [CVE-2026-120308: Beta9 path traversal in volume attachment](https://junglewise.ai/threats/cve-2026-120308-a-beta9-tenant-can-attach-a-volume-when-deploying-a-function) (critical, CVSS 9.9, published 1 Nov 2026)
- [CVE-2026-120307: Beta9 worker path traversal in sandbox file API](https://junglewise.ai/threats/cve-2026-120307-the-beta9-worker-serves-the-sandbox-file-api-from-outside-the) (critical, CVSS 9.9, published 1 Nov 2026)
- [CVE-2026-120306: Beta9 worker container escape via Buildah namespace isolation bypass](https://junglewise.ai/threats/cve-2026-120306-beta9-turns-each-shell-command-in-a-tenant-image-definition-into) (critical, CVSS 9.9, published 1 Nov 2026)

## Most severe Beam Cloud Beta9 Worker vulnerabilities

- [CVE-2026-120308: Beta9 path traversal in volume attachment](https://junglewise.ai/threats/cve-2026-120308-a-beta9-tenant-can-attach-a-volume-when-deploying-a-function) (critical, CVSS 9.9, published 1 Nov 2026)
- [CVE-2026-120307: Beta9 worker path traversal in sandbox file API](https://junglewise.ai/threats/cve-2026-120307-the-beta9-worker-serves-the-sandbox-file-api-from-outside-the) (critical, CVSS 9.9, published 1 Nov 2026)
- [CVE-2026-120306: Beta9 worker container escape via Buildah namespace isolation bypass](https://junglewise.ai/threats/cve-2026-120306-beta9-turns-each-shell-command-in-a-tenant-image-definition-into) (critical, CVSS 9.9, published 1 Nov 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before. 3 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 3 | 3 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Beam Cloud Beta9 Worker vulnerabilities", https://junglewise.ai/threats/technologies/beta9-worker, 9 November 2026.