CVE-2026-109970CWE-538

CVE-2026-109970

Medium · published October 14, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
2.5
In the wild
Unconfirmed
What it is

A flaw was found in the clevis PKCS#11 pin. The clevis-luks-pkcs11-askpin script writes the PKCS#11 token PIN in plaintext to a file without setting restrictive permissions. Under the default process umask, the file is world-readable. Additionally, the PIN file is not reliably cleaned up if the decryption script exits early, leaving the PIN accessible indefinitely.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00132 · 2.5th percentile
Weakness
CWE-538 · Insertion of Sensitive Information into Externally-Accessible File or Directory
Published
2026-10-14T14:17Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-109970 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2550362 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 14 OCT 10:01Z
    Clevis: clevis: pkcs#11 token pin written to world-readable file
    cvelistv5
  • 14 OCT 10:01Z
    Clevis: clevis: pkcs#11 token pin written to world-readable file
    cvelistv5