CVE-2026-18089: net::saml2 before 0.86 (exclusive); +1 more affected products

Affected technology

net::saml2 · before 0.86 (exclusive)
timlegge

Net::SAML2 · 0 to before 0.86
TIMLEGGE

Description’s affected range: versions before 0.86 for Perl

Component: Not specified by the source
Function: Net::SAML2::Role::VerifyXML::verify_xml, Net::SAML2::Binding::POST::handle_response, Net::SAML2::Protocol::Assertion::_verify_encrypted_assertion
File: lib/Net/SAML2/Role/VerifyXML.pm, lib/Net/SAML2/Binding/POST.pm, lib/Net/SAML2/Protocol/Assertion.pm

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could get past authentication checks under the conditions described by the source. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and availability impact as none; integrity impact as high.