CVE-2018-16486
CVE-2018-16486 is a critical-severity vulnerability in Defaults-deep Project Defaults-deep with a CVSS 3.x base score of 9.8. 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-74.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-74
- Affected product: Defaults-deep Project Defaults-deep
- Published:
- Last modified:
Description
A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
Frequently asked questions
- What is CVE-2018-16486?
- A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
- How severe is CVE-2018-16486?
- CVE-2018-16486 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-16486 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16486?
- CVE-2018-16486 affects Defaults-deep Project Defaults-deep. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-16486?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-16486 published?
- CVE-2018-16486 was published on 2019-02-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:defaults-deep_project:defaults-deep:*:*:*:*:*:node.js:*:*
More vulnerabilities in Defaults-deep Project Defaults-deep
- CVE-2018-3723 — High (CVSS 8.8): defaults-deep node module before 0.2.4 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability,…
All CVEs affecting Defaults-deep Project Defaults-deep →
Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities
- CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
- CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
- CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
- CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…
Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →