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 ↗

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

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

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