Risk Scores
CVSS v4.0
2.700000047683716
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
EPSS Score
0.05%
15.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| NaturalIntelligence | fast-xml-parser | < 5.3.8, < 5.3.8, < 5.3.8 |
| naturalintelligence | fast-xml-parser | 0, 0, 5.0.0 |
| npm | fast-xml-parser | 5.0.0, 4.0.0-beta.0, 5.0.0 |
Timeline
- Feb 26, 2026 CVE Published
- Feb 26, 2026 EPSS Score
- Feb 27, 2026 EPSS Score
- Feb 27, 2026 PoC Published
- Feb 27, 2026 PoC Published
- Feb 28, 2026 EPSS Score
- Feb 28, 2026 PoC Published
- Mar 1, 2026 EPSS Score
- Mar 2, 2026 EPSS Score
- Mar 3, 2026 EPSS Score
- Mar 4, 2026 EPSS Score
- Mar 5, 2026 EPSS Score
References
- https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-fj3w-jwp8-x2g3 url
- https://github.com/NaturalIntelligence/fast-xml-parser/pull/791 url
- https://github.com/NaturalIntelligence/fast-xml-parser/commit/c13a961910f14986295dd28484eee830fa1a0e8a url
- https://nvd.nist.gov/vuln/detail/CVE-2026-27942 advisory
- https://github.com/NaturalIntelligence/fast-xml-parser package