CVE-2026-26278
גבוהה 7.5
תיאור (מקור, אנגלית)
fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. In versions 4.1.3 through 5.3.5, the XML parser can be forced to do an unlimited amount of entity expansion. With a very small XML input, it’s possible to make the parser spend seconds or even minutes processing a single request, effectively freezing the application. Version 5.3.6 fixes the issue. As a workaround, avoid using DOCTYPE parsing by `processEntities: false` option.
מדדים
- CVSS 3.1
-
7.5 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — סבירות ניצול
- 1% (אחוזון 100) נכון ל-23/9/2026
- CWE
- CWE-776
מוצרים מושפעים
naturalintelligence: fast-xml-parser
קישורים
- https://github.com/NaturalIntelligence/fast-xml-parser/security/advisories/GHS… ExploitVendor Advisory
- https://github.com/NaturalIntelligence/fast-xml-parser/commit/910dae5be2de2955… Patch
- https://github.com/NaturalIntelligence/fast-xml-parser/releases/tag/v5.3.6 ProductRelease Notes
- https://access.redhat.com/errata/RHSA-2026:40984
- https://access.redhat.com/errata/RHSA-2026:41941
- https://access.redhat.com/errata/RHSA-2026:41944
- https://access.redhat.com/errata/RHSA-2026:51349
- https://access.redhat.com/errata/RHSA-2026:6174
- https://access.redhat.com/errata/RHSA-2026:6802
- https://access.redhat.com/errata/RHSA-2026:7110