Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-7pwq-q9jf-539h | kobako Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service) |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 30 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 30 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts (LLM-generated code, user formulas, student submissions, third-party plugins) in-process without giving them access to host memory, files, network, or credentials. From version 0.1.0 to before version 0.9.1, a guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. This issue has been patched in version 0.9.1. | |
| Title | Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service) | |
| Weaknesses | CWE-470 CWE-94 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-30T19:49:04.193Z
Reserved: 2026-06-16T14:41:54.579Z
Link: CVE-2026-55107
Updated: 2026-09-30T19:48:41.342Z
Status : Deferred
Published: 2026-09-30T18:18:37.550
Modified: 2026-09-30T20:17:32.923
Link: CVE-2026-55107
No data.
OpenCVE Enrichment
Updated: 2026-09-30T20:15:05Z
Github GHSA