SB2026051151 - Improper handling of exceptional conditions in vm2

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Main Vulnerability Database SB2026051151

SB2026051151 - Improper handling of exceptional conditions in vm2

Published: May 11, 2026

Security Bulletin ID SB2026051151
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper handling of exceptional conditions (CVE-ID: CVE-2026-45411)

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the host system.

The vulnerability exists due to improper exception handling in the vm2 sandbox when processing async generator control flow with the yield* expression and generator return handling. A remote attacker can execute crafted code inside a vm2 sandbox to execute arbitrary code on the host system.

Exploitation requires the ability to run arbitrary code within the context of a vm2 sandbox.


Remediation

Install update from vendor's website.

References