CVE-2026-9487

CVE-2026-9487 affects XML::Sig for Perl up to version 0.70. The vulnerability arises because _get_signed_xml() resolves IDs with the XPath //*[@ID='$id'] and accepts two elements sharing the same ID, causing signature wrapping: the digest and signature are validated against the first element in d...

CVE-2026-9487 XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID

XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID. getsignedxml in lib/XML/Sig.pm, called from verify, resolves the SignedInfo Reference/@URI to a node with the XPath expression "//@ID='$id'" and returns the first node of the resulting node set. A document in which...

CVE-2026-9487

XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID. getsignedxml in lib/XML/Sig.pm, called from verify, resolves the SignedInfo Reference/@URI to a node with the XPath expression "//@ID='$id'" and returns the first node of the resulting node set. A document in which...