CVE-2023-26121
CVE-2023-26121 is a high-severity vulnerability in Safe-eval Project Safe-eval with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Safe-eval Project Safe-eval
- Published:
- Last modified:
Description
All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
Frequently asked questions
- What is CVE-2023-26121?
- All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper sanitization of its parameter content.
- How severe is CVE-2023-26121?
- CVE-2023-26121 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-26121 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-26121?
- CVE-2023-26121 affects Safe-eval Project Safe-eval. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-26121?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-26121 published?
- CVE-2023-26121 was published on 2023-04-11 and last updated on 2026-06-17.
References
- https://gist.github.com/seongil-wi/9d9fc0cc5b7b130419cd45827e59c4f9
- https://github.com/hacksparrow/safe-eval/issues/28
- https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373062
Affected products (1)
- cpe:2.3:a:safe-eval_project:safe-eval:*:*:*:*:*:node.js:*:*
More vulnerabilities in Safe-eval Project Safe-eval
- CVE-2017-16088 — Critical (CVSS 10.0): The safe-eval module describes itself as a safer version of eval. By accessing the object constructors, un-sanitized…
- CVE-2023-26122 — High (CVSS 8.8): All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The…
- CVE-2020-7710 — High (CVSS 8.1): This affects all versions of package safe-eval. It is possible for an attacker to run an arbitrary command on the host…
- CVE-2022-25904 — High (CVSS 7.5): All versions of package safe-eval are vulnerable to Prototype Pollution which allows an attacker to add or modify…
All CVEs affecting Safe-eval Project Safe-eval →
Other CWE-1321 (Prototype Pollution) vulnerabilities
- CVE-2026-25142 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__…
- CVE-2024-39008 — Critical (CVSS 10.0): robinweser fast-loops v1.1.3 was discovered to contain a prototype pollution via the function objectMergeDeep. This…
- CVE-2024-38999 — Critical (CVSS 10.0): jrburke requirejs v2.3.6 was discovered to contain a prototype pollution via the function s.contexts._.configure. This…
- CVE-2022-29823 — Critical (CVSS 10.0): Feather-Sequalize cleanQuery method uses insecure recursive logic to filter unsupported keys from the query object.…
- CVE-2022-24760 — Critical (CVSS 10.0): Parse Server is an open source http web server backend. In versions prior to 4.10.7 there is a Remote Code Execution…
- CVE-2020-12079 — Critical (CVSS 10.0): Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron…