VDB
CVE-2026-25896
CVE-2026-25896
PUBLISHED
CVSS 9.300000190734863 CRITICAL
fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names
EPSS 0.02% · 5.7th percentile
Risk Scores
CVSS 3.1
9.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
EPSS Score
0.02%
5.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| NaturalIntelligence | fast-xml-parser | >= 5.0.0, < 5.3.5, *, >= 4.1.3, < 4.5.4 |
| naturalintelligence | fast-xml-parser | 4.1.3, 4.1.3 |
| npm | fast-xml-parser | 5.0.0, 4.1.3, 5.0.0 |
Exploit Intelligence
- https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-m7jm-9gc2-mpf2 (nist-nvd)
- CIRCL published-proof-of-concept: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
- CIRCL seen: CVE-2026-25896 (circl-sighting)
…and 67 more exploits
Timeline
- Feb 20, 2026 CVE Published
- Feb 20, 2026 PoC Published
- Feb 21, 2026 EPSS Score
- Feb 21, 2026 PoC Published
- Feb 21, 2026 PoC Published
- Feb 21, 2026 PoC Published
- Feb 21, 2026 PoC Published
- Feb 21, 2026 PoC Published
- Feb 23, 2026 EPSS Score
- Feb 24, 2026 EPSS Score
- Feb 26, 2026 EPSS Score
- Feb 27, 2026 CVE Updated
References
- https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHSA-m7jm-9gc2-mpf2 url
- https://github.com/NaturalIntelligence/fast-xml-parser/commit/943ef0eb1b2d3284e72dd74f44a042ee9f07026e url
- https://github.com/NaturalIntelligence/fast-xml-parser/commit/ddcd0acf26ddd682cb0dc15a2bd6aa3b96bb1e69 url
- https://github.com/NaturalIntelligence/fast-xml-parser/releases/tag/v5.3.5 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-25896 advisory
- https://github.com/NaturalIntelligence/fast-xml-parser package
- https://www.ibm.com/support/pages/node/7274185 advisory
- https://www.ibm.com/support/pages/node/7274154 advisory
- https://www.ibm.com/support/pages/node/7274180 advisory
- https://www.ibm.com/support/pages/node/7274183 advisory
- https://www.ibm.com/support/pages/node/7273957 advisory
- https://www.ibm.com/support/pages/node/7274184 advisory
- https://www.ibm.com/support/pages/node/7274314 advisory
- https://www.ibm.com/support/pages/node/7274182 advisory
- https://www.ibm.com/support/pages/node/7274181 advisory
- https://www.ibm.com/support/pages/node/7273803 advisory
- https://www.ibm.com/support/pages/node/7272901 advisory