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CVE-2026-109970

Clevis: clevis: pkcs#11 token pin written to world-readable file

CVSS 3.1 4.7 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-109970

Published

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.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-109970

Published

Clevis: clevis: pkcs#11 token pin written to world-readable file

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.

Source published
14 Oct 2026 10:01:01 UTC
Source modified
5 Nov 2026 16:20:51 UTC
Saved here
5 Nov 2026 17:36:21 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

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Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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