---
title: "CVE-2026-120308: Beta9 - Path Traversal"
description: "Beta9 contains a path traversal caused by improper validation of volume identifiers in the gateway and worker components, letting tenants with workspace tokens read and write arbitrary files on the worker filesystem, exploit requires valid workspace token."
url: https://panop.io/threat-heartbeat/CVE-2026-120308/
---

# CVE-2026-120308 Beta9 - Path Traversal

Beta9 contains a path traversal caused by improper validation of volume identifiers in the gateway and worker components, letting tenants with workspace tokens read and write arbitrary files on the worker filesystem, exploit requires valid workspace token.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.53% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-120308)

## Details

Type

Path Traversal

Impact

File System Read, File System Write, Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Published

1 November 2026

Updated

3 November 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update gateway to 0.1.776 and worker to 0.1.756 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-120308](https://nvd.nist.gov/vuln/detail/CVE-2026-120308)
- [https://github.com/beam-cloud/beta9/releases/tag/gateway-0.1.769](https://github.com/beam-cloud/beta9/releases/tag/gateway-0.1.769)
- [https://github.com/beam-cloud/beta9/releases/tag/gateway-0.1.776](https://github.com/beam-cloud/beta9/releases/tag/gateway-0.1.776)
- [https://github.com/beam-cloud/beta9/releases/tag/worker-0.1.745](https://github.com/beam-cloud/beta9/releases/tag/worker-0.1.745)
- [https://github.com/beam-cloud/beta9/releases/tag/worker-0.1.756](https://github.com/beam-cloud/beta9/releases/tag/worker-0.1.756)
- [https://github.com/beam-cloud/beta9](https://github.com/beam-cloud/beta9)
- [https://github.com/beam-cloud/beta9/commit/a28bf12cf0007c792a25d8ed282b4e8bf6f30393](https://github.com/beam-cloud/beta9/commit/a28bf12cf0007c792a25d8ed282b4e8bf6f30393)
- [https://github.com/beam-cloud/beta9/pull/1897](https://github.com/beam-cloud/beta9/pull/1897)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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