CVE-2026-9390: xml::sig before 0.71 (exclusive); +1 more affected products

CVE-2026-9390. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00505 (percentile 0.4226), scored 22-Oct-2026.

Affected technology

xml::sig · before 0.71 (exclusive)
xml::sig project

XML::Sig · 0 to before 0.71
TIMLEGGE

Description’s affected range: versions before 0.71 for Perl

Component: Not specified by the source
Function: XML::Sig::verify, XML::Sig::_get_signed_xml
File: lib/XML/Sig.pm

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-643, CWE-1287
CCR priority: 36.5 /100 (P4)
CVSS 3.1: 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · Source advisory
EPSS: 0.00505 · percentile 0.4226 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-9390.html