A flaw was found in the clevis PKCS#11 pin. The clevis-decrypt-pkcs11 script passes the PKCS#11 token PIN as a command-line argument to pkcs11-tool, making it visible to any local user through process listing or the /proc filesystem.

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Fixes

Solution

No solution given by the vendor.


Workaround

No end-user mitigation is available for this issue. The PIN exposure occurs in the clevis-decrypt-pkcs11 script itself, which must be updated to pass the PIN through an environment variable instead of the command line.

History

Wed, 14 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 10:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in the clevis PKCS#11 pin. The clevis-decrypt-pkcs11 script passes the PKCS#11 token PIN as a command-line argument to pkcs11-tool, making it visible to any local user through process listing or the /proc filesystem.
Title Clevis: clevis: pkcs#11 token pin exposed on command line via pkcs11-tool
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-214
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-14T11:22:01.649Z

Reserved: 2026-10-13T11:32:07.005Z

Link: CVE-2026-109971

cve-icon Vulnrichment

Updated: 2026-10-14T11:21:33.153Z

cve-icon NVD

Status : Received

Published: 2026-10-14T10:17:53.440

Modified: 2026-10-14T12:17:17.587

Link: CVE-2026-109971

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-14T14:45:02Z

Weaknesses