P4Verified

CVE-2026-2100: p11-kit Version not applicable in the source CPE, 0 to before 0.26.2; +15 more affected products

CVE-2026-2100 affects cbl2 p11-kit 0.24.1-1 on CBL Mariner 2.0. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.0116 (percentile 0.66248), scored 12-Oct-2026.

Affected technology

p11-kit · Version not applicable in the source CPE
p11-kit project

hardened images · Version not applicable in the source CPE
redhat

enterprise linux · 9.0
redhat

enterprise linux · 10.0
redhat

p11-kit · 0 to before 0.26.2
p11-glue

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Cert Manager support for Red Hat OpenShift release 1.17 · Exact affected versions not specified by the source
Red Hat

Cert Manager support for Red Hat OpenShift release 1.18 · Exact affected versions not specified by the source
Red Hat

Cert Manager support for Red Hat OpenShift release 1.20 · Exact affected versions not specified by the source
Red Hat

Cost Management 4 · Exact affected versions not specified by the source
Red Hat

Red Hat Hardened Images · Exact affected versions not specified by the source
Red Hat

Red Hat Insights proxy 1.5 · Exact affected versions not specified by the source
Red Hat

Red Hat Update Infrastructure 5 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source
Function: on

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No 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

A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set to NULL. Vendor/CNA’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality and integrity impact as none; availability impact as low. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 14-Oct-2026 05:22 UTC

CWE: CWE-824
Product: cbl2 p11-kit 0.24.1-1 on CBL Mariner 2.0
CCR priority: 30.3 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.0116 · percentile 0.66299 · 2026-10-13
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-14 05:24:14.258005+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-14 05:19:44.455882+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-2100.html