CVE-2023-26122
safe-eval vulnerable to Sandbox Bypass due to improper input sanitization
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). Vulnerable functions: defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). Vulnerable functions: defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
CVE-2023-26122- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P - Weakness
- CWE-265, CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2023-1223
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). Vulnerable functions: defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
EUVD-2023-1223- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-79xf-67r4-q2jj
safe-eval vulnerable to Sandbox Bypass due to improper input sanitization
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution (RCE).
Vulnerable functions:
defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
GHSA-79xf-67r4-q2jj- 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 Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). Vulnerable functions: defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
CVE-2023-26122- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-265, CWE-1321
- Updated
- 2026-11-02
OSV
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). Vulnerable functions: defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
CVE-2023-26122- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P - Weakness
- CWE-265
- Updated
- 2026-11-02
OSVGHSA-79xf-67r4-q2jj
safe-eval vulnerable to Sandbox Bypass due to improper input sanitization
All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution (RCE).
Vulnerable functions:
defineGetter, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().
- Record
GHSA-79xf-67r4-q2jj- 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-2023-26122 is a high vulnerability (CVSS 8.8) 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 2.10%, the 81st percentile. No source names a fixed version.