Denial-Of-Service (DoS)

fast-xml-parser is vulnerable to Denial-Of-Service DoS. The vulnerability is due to improper handling of out-of-range numeric XML entities, where parsing entity values beyond valid Unicode ranges triggers an uncaught RangeError, causing applications to crash when processing untrusted XML input...

Linux Distros Unpatched Vulnerability : CVE-2026-25128

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 5.0...

@activepieces/piece-amazon-s3 (>=0.5.4, <=0.6.4), @activepieces/piece-amazon-ses (>=0.0.1, <=0.1.4) +1013 more potentially affected by CVE-2026-25128 via fast-xml-parser (>=5.0.9, <=5.3.3)

fast-xml-parser NPM version =5.0.9, =0.5.4, =0.0.1, =0.1.3, =13.1.4, =1.0.0, =1.9.12, =1.0.3, =1.1.31, =1.0.0, =1.0.0, =1.7.16, =2.33.6, =1.4.37, =1.6.3 and more Source cves: CVE-2026-25128 Source advisory: OSV:GHSA-37QJ-FRW5-HHJH...

fast-xml-parser has RangeError DoS Numeric Entities Bug

Summary A RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-range entity code points e.g., or . This causes the parser to throw an uncaught exception, crashing any application that processes untrusted XML input. Details The...

GHSA-37QJ-FRW5-HHJH fast-xml-parser has RangeError DoS Numeric Entities Bug

Summary A RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-range entity code points e.g., or . This causes the parser to throw an uncaught exception, crashing any application that processes untrusted XML input. Details The...

CVE-2026-25128

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

CVE-2026-25128

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

UBUNTU-CVE-2026-25128

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

Uncaught Exception

Overview org.webjars.npm:fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries Affected versions of this package are vulnerable to Uncaught Exception in the numeric entity processing when parsing XML containing out-of-range entity code points. An attacker can cause...

@activepieces/piece-amazon-s3 (>=0.5.4, <=0.6.4), @activepieces/piece-amazon-ses (>=0.0.1, <=0.1.4) +1013 more potentially affected by CVE-2026-25128 via fast-xml-parser (>=5.0.9, <=5.3.3)

fast-xml-parser NPM version =5.0.9, =0.5.4, =0.0.1, =0.1.3, =13.1.4, =1.0.0, =1.9.12, =1.0.3, =1.1.31, =1.0.0, =1.0.0, =1.7.16, =2.33.6, =1.4.37, =1.6.3 and more Source cves: CVE-2026-25128 Source advisory: SNYK:JS-FASTXMLPARSER-15155603...

Uncaught Exception

Overview fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries Affected versions of this package are vulnerable to Uncaught Exception in the numeric entity processing when parsing XML containing out-of-range entity code points. An attacker can cause the application...

com.codbex.atlas:codbex-atlas-application (>=2.62.0, <=2.126.0), com.codbex.gaia:codbex-gaia-application (>=2.61.0, <=2.111.0) +25 more potentially affected by CVE-2026-25128 via org.webjars.npm:fast-xml-parser (>=4.5.3, <=5.8.0)

org.webjars.npm:fast-xml-parser MAVEN version =4.5.3, =2.62.0, =2.61.0, =2.52.0, =2.52.0, =2.51.0, =2.51.0, =3.6.0, =2.50.0, =5.0.0, =5.0.0, =11.58.0, =12.2.0, =11.58.0, =11.58.0, =14.19.0, =14.40.0 and more Source cves: CVE-2026-25128 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-15155604...

CVE-2026-25128 fast-xml-parser has RangeError DoS Numeric Entities Bug

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

CVE-2026-25128

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

CVE-2026-25128 fast-xml-parser has RangeError DoS Numeric Entities Bug

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

CVE-2026-25128 fast-xml-parser has RangeError DoS Numeric Entities Bug

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

CVE-2026-25128

The CVE-2026-25128 issue affects the fast-xml-parser library (XMLParser) where numeric entity processing can trigger a RangeError when parsing out-of-range code points (e.g., � or �). The vulnerability exists in versions 4.3.6 through 5.3.3 and causes an uncaught exception, crashing applications ...

CVE-2026-25128

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 5.0.9 through 5.3.3, a RangeError vulnerability exists in the numeric entity processing of fast-xml-parser when parsing XML with out-of-rang...

PT-2026-5410

Name of the Vulnerable Software and Affected Versions fast-xml-parser versions 4.3.6 through 5.3.3 Description 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 4.3.6 through 5.3.3, a...

Security Bulletin: IBM Cloud Pak for Data is vulnerable to Prototype Pollution due to fast-xml-parser ( CVE-2023-26920 )

Summary fast-xml-parser is used by IBM Cloud Pak for Data. CVE-2023-26920. Vulnerability Details CVEID:CVE-2023-26920 DESCRIPTION: Natural Intelligence fast-xml-parser could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution flaw in the tag or attribu...