CVE-2019-10759 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-r3x4-wr4h-pw33 , EUVD-2019-0712
- cvss
- 9.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm safer-eval 1.3.4
- safer-eval_project safer-eval 1.3.4
Exploit prediction
1.79% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-SAFEREVAL-173772 referenced PoC, tagged "exploit" by a source, unverified
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 | <1.3.4 |
1.3.4 |
Affected products
- Snyk safer-eval
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
snyk.io
/vuln/SNYK-JS-SAFEREVAL-173772
web, exploit, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-10759
advisory
-
npmjs.com
/advisories/1021
web
Sources
- CVE List CVE-2019-10759
- GitHub Advisory GHSA-r3x4-wr4h-pw33
- NVD CVE-2019-10759
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.