CVE-2019-10759: safer-eval before 1.3.4 are vulnerable to Arbitrary Code Execution

Q: How do I fix CVE-2019-10759?

safer-eval: upgrade to 1.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2019-10759 being exploited?

CVE-2019-10759 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-10759 affect?

CVE-2019-10759 affects safer-eval. Severity is critical (CVSS 9.9). safer-eval before 1.3.4 are vulnerable to Arbitrary Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code.

Q: How urgent is CVE-2019-10759?

Priority 59/100. Critical severity; Public exploit reference

This month

CRITICAL 9.9UPGRADE

CVE-2019-10759 is a critical-severity flaw (CVSS 9.9) affecting safer-eval. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

safer-eval before 1.3.4 are vulnerable to Arbitrary Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2019-10-15
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

2019-10-15 15:15 UTCPublished CVE record published
2026-06-17 02:11 UTCUpdated Record last modified

safer-eval project safer-eval UPGRADE

Affected: < 1.3.4

Fixed in: 1.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy safer-eval || rpm -q safer-eval || safer-eval --version

2. UPGRADE to 1.3.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade safer-eval

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade safer-eval

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2019-10759?

safer-eval: upgrade to 1.3.4. Exact commands for each OS are on this page.

Is CVE-2019-10759 being exploited?

CVE-2019-10759 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-2019-10759 affect?

CVE-2019-10759 affects safer-eval. Severity is critical (CVSS 9.9). safer-eval before 1.3.4 are vulnerable to Arbitrary Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code.

How urgent is CVE-2019-10759?

Priority 59/100. Critical severity; Public exploit reference

Related CVEs

CVE-2019-10769 CRITICAL 9.8 MITIGATE safer-eval is a npm package to sandbox the he evaluation of code used within the eval function
CVE-2019-10760 CRITICAL 9.9 UPGRADE safer-eval before 1.3.2 are vulnerable to Arbitrary Code Execution

References

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