CVE-2026-9390

XML::Sig versions before 0.71 for Perl allow XPath injection in ID lookup. verify and getsignedxml in lib/XML/Sig.pm build XPath expressions by concatenating the SignedInfo/Reference/@URI value read from the document being verified. The value is neither escaped nor checked against the NCName...

EUVD-2026-52269

XML::Sig versions before 0.71 for Perl allow XPath injection in ID lookup. verify and getsignedxml in lib/XML/Sig.pm build XPath expressions by concatenating the SignedInfo/Reference/@URI value read from the document being verified. The value is neither escaped nor checked against the NCName...

CVE-2026-9390

CVE-2026-9390 affects XML::Sig (Perl) versions before 0.71. The issue arises when verify()/_get_signed_xml() build XPath expressions by concatenating SignedInfo/Reference/@URI from the document without escaping or enforcing NCName rules. A URI containing a single quote can terminate the string li...

Linux Distros Unpatched Vulnerability : CVE-2026-6879

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with ma...

CVE-2026-6879

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

DEBIAN-CVE-2026-6879

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

CVE-2026-6879

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

PSF-2026-34

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

CVE-2026-6879 Quadratic Behavior in xml.etree.ElementPath Index Predicates

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

CVE-2026-6879

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

EUVD-2026-49850

Element.findall and fully-consumed Element.iterfind exhibit On^2 time complexity when using XPath index predicates e.g. 1, last, last-N on XML documents with many same-tag siblings. Element.find is only affected when the first match is near the end of the sibling list, such as with last or...

K000162380: XPath vulnerability CVE-2026-32287

Security Advisory Description Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CPU usage. This can be triggered by top-level selectors such as "1=1" or "true". CVE-2026-32287 Impact A local, unauthenticated attacker can exploit the...

PYSEC-2026-1930 Hugging Face Smolagents XPath injection vulnerability in the search_item_ctrl_f function

Hugging Face Smolagents version 1.20.0 contains an XPath injection vulnerability in the searchitemctrlf function located in src/smolagents/visionwebbrowser.py. The function constructs an XPath query by directly concatenating user-supplied input into the XPath expression without proper sanitizatio...

PT-2026-56190

A stored XPATH injection vulnerability exists in opnsense's trust module. Any user if given just System: CA Manager permissions can use a bool side channel/oracle to slowly leak any secret in config.xml character by character. the injection point is in the refid field of a ca object. Write-up for...

Improper Neutralization of Data within XPath Expressions ('XPath Injection')

Overview Affected versions of this package are vulnerable to Improper Neutralization of Data within XPath Expressions 'XPath Injection' through the XPath Transform process. An attacker can cause the application to become unresponsive or crash by sending specially crafted messages that exploit thi...

Improper Neutralization of Data within XPath Expressions ('XPath Injection')

Overview Affected versions of this package are vulnerable to Improper Neutralization of Data within XPath Expressions 'XPath Injection' through the XPath Transform process. An attacker can cause the application to become unresponsive or crash by sending specially crafted messages that exploit thi...

GHSA-5CJR-MXJ5-WMRX SimpleSAMLphp has Possible DoS via XPath Transform

Summary This library turned out to be vulnerable to Denial-of-Service attacks using XPath transforms. A mitigation has been put in place to restrict the number of transforms and to restrict transforms to only the transform-algorithms mentioned in the SAML 2.0 Core Specifications and specifically...

PT-2026-55454

Name of the Vulnerable Software and Affected Versions SimpleSAMLphp versions 4.19.2 through 4.19.2 SimpleSAMLphp versions 4.20.2 through 4.20.2 Description The SAML2 library permits attacker-controlled XPath transforms during the processing of XML signatures in specially crafted SAML messages...

SUSE CVE-2026-57437

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::XPathContext did not keep its source document alive for garbage collection. If an XPathContext outlived its document and the document was collected, evaluating an XPath expression...

CVE-2026-57437

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::XPathContext did not keep its source document alive for garbage collection. If an XPathContext outlived its document and the document was collected, evaluating an XPath expression...