CVE-2019-10769: safer-eval is a npm package to sandbox the he evaluation of code used within the eval function

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CRITICAL 9.8REMOTEMITIGATE

CVE-2019-10769 is a critical-severity flaw (CVSS 9.8) affecting safer-eval. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

safer-eval is a npm package to sandbox the he evaluation of code used within the eval function. Affected versions of this package are vulnerable to Arbitrary Code Execution via generating a RangeError.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-94
Published	2019-12-06
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: safer-eval project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-12-06 23:15 UTCPublished CVE record published
2026-06-17 02:11 UTCUpdated Record last modified

safer-eval project safer-eval MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls safer-eval

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-10769?

safer-eval: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-10769 being exploited?

CVE-2019-10769 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-10769 affect?

CVE-2019-10769 affects safer-eval. Severity is critical (CVSS 9.8). safer-eval is a npm package to sandbox the he evaluation of code used within the eval function. Affected versions of this package are vulnerable to Arbitrary Code Execution via generating a RangeError.

How urgent is CVE-2019-10769?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

npm packages vulnerabilities

Related CVEs

CVE-2019-10760 CRITICAL 9.9 UPGRADE safer-eval before 1.3.2 are vulnerable to Arbitrary Code Execution
CVE-2019-10759 CRITICAL 9.9 UPGRADE safer-eval before 1.3.4 are vulnerable to Arbitrary Code Execution

References

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