CVE-2023-26121 — Vulnerability in safe-eval — CVE Details
CRITICAL
safe-eval vulnerable to Prototype Pollution via the safeEval function
Published April 11, 2023Updated November 8, 2023Source: osv
Summary
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
Advisory Timeline
- First published April 11, 2023 (1280 days ago).
- Last revised November 8, 2023 — 211 days after initial publication.
Affected Packages (1)
Affects 1 ecosystem: npm (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| safe-eval | npm | All versions | Range-based data available |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-1321Prototype PollutionMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 10.0 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
Frequently Asked Questions
- What is CVE-2023-26121?
- safe-eval vulnerable to Prototype Pollution via the safeEval function This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 10.0/10).
- How do I check if my project is affected by CVE-2023-26121?
- CVE-2023-26121 affects safe-eval. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-26121 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
10.0
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-hcg3-56jf-x4vh
Related CVEs
- CVE-2023-26122CRITICAL
safe-eval vulnerable to Sandbox Bypass due to improper input sanitization
- CVE-2026-107722CRITICAL
fast-jwt: Incomplete patch of CVE-2026-34950: Non-whitespace key-prefix re-enables RSA→HS256 algorithm confusion
- CVE-2026-108261CRITICAL
TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment
Check if you're affected
Scan your dependencies to see if this vulnerability affects your projects.
Scan Your Dependencies