P4Verified

CVE-2025-66578: xmlseclibs before 3.1.4 (exclusive), < 3.1.4

CVE-2025-66578. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00242 (percentile 0.14016), scored 2026-10-06.

Affected technology

xmlseclibs · before 3.1.4 (exclusive)
xmlseclibs project

xmlseclibs · < 3.1.4
robrichards

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · High privileges required · No user interaction required

Attack conditions (NVD, 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. Vendor/CNA’s CVSS 3.1 assessment (base score 6.0/10) rates confidentiality impact as high; integrity and availability impact as low. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 2026-10-07 23:05:43.158723+00:00

CWE: CWE-248
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · NVD
EPSS: 0.00242 · percentile 0.14016 · 2026-10-06
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 23:02:50.240617+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-66578.html