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Fencer Vulns
critical 9.9

CVE-2019-10760 json

Sandbox Breakout / Arbitrary Code Execution in safer-eval

published 2019-10-15 7 y ago modified 2026-09-10 1 mo ago also GHSA-hgch-jjmr-gp7w , EUVD-2019-0703

cvss
9.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

safer-eval before 1.3.2 are vulnerable to Arbitrary Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code.

Patch / fix

  • npm safer-eval 1.3.2
  • safer-eval_project safer-eval 1.3.2

Exploit prediction

2.88% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm safer-eval
<1.3.2
1.3.2

Affected products

  • Snyk safer-eval

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.