CVE-2023-26121
safe-eval vulnerable to Prototype Pollution via the safeEval function
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
CVE-2023-26121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P - Weakness
- CWE-1321, CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2023-1322
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
EUVD-2023-1322- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hcg3-56jf-x4vh
safe-eval vulnerable to Prototype Pollution via the safeEval function
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
GHSA-hcg3-56jf-x4vh- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
CVE-2023-26121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSV
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
CVE-2023-26121- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-hcg3-56jf-x4vh
safe-eval vulnerable to Prototype Pollution via the safeEval function
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- Record
GHSA-hcg3-56jf-x4vh- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
safe-evalnpm |
through 0.4.2 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-26121 is a high vulnerability (CVSS 7.5) in Safe-eval Project Safe-eval, published April 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. No source names a fixed version.
References
security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373062
gist.github.com/seongil-wi/9d9fc0cc5b7b130419cd45827e59c4f9
github.com/hacksparrow/safe-eval/issues/28
nvd.nist.gov/vuln/detail/CVE-2023-26121