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Vulnerabilities

Vulnerability · CVE-2026-5752

Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

Published Apr 14, 2026 · catalog updated Jul 24, 2026 · Sandbox Escape Vulnerability in

Check if you run it

No confirmed exploitation is on record for CVE-2026-5752. EPSS is 0.22%. Act only if a listed version of Sandbox Escape Vulnerability in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Sandbox Escape Vulnerability in).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Not established
Affected products
See sources for product scope

Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-5752

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-5752. EPSS is 0.22%. Act only if a listed version of Sandbox Escape Vulnerability in is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · NIST NVD

    Detected

    Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

  2. Jul 24, 2026 · NIST NVD

    Updated

    Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

Sources

  • CVE.orgVulnerability recordCVE-2026-5752

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-5752

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-5752

    Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.