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Back to active CVEs
Medium · CVSS 4.7CVE-2026-109970

Clevis: clevis: pkcs#11 token pin written to world-readable fileCVE-2026-109970

Answer in brief

CVE-2026-109970 records a Medium severity (CVSS 4.7) vulnerability in Clevis: clevis: pkcs#11 token pin written to world-readable file. The current sources do not mark it as known exploited. The current feed maps Red Hat/clevis (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 14, 2026Updated Oct 14, 2026Source checked Oct 14, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/clevis (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/clevisgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/clevis.
  2. 2Review the reported fix. Source-reported workaround: Configure the clevis-luks-pkcs11-askpass systemd service with a restrictive UMask by creating a service override using systemctl edit. Setting UMask to 0077 prevents the PIN file from being readable by non-root users. This workaround only covers the systemd service path. The dracut initramfs code path is not covered by this mitigation.

Evidence timeline and material changes

  1. Published upstream

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 14, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Clevis: clevis: no authentication on pkcs#11 af_unix sockets allows key injection under permissive umaskSame red hat/clevis package
  • Clevis: clevis: pkcs#11 token pin exposed on command line via pkcs11-toolSame red hat/clevis package
  • PeproDev Branches Map <= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site ScriptingSame generic ecosystem
  • Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: out-of-bounds write in gst_h266_parser_parse_dci() due to off-by-one array bound checkSame generic ecosystem
  • Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: heap out-of-bounds write in asfmux due to incorrect utf-16 size calculation for non-bmp charactersSame generic ecosystem
  • WPCode 2.0.0 - 2.3.9 - Unauthenticated Snippet Suppression via Safe Mode BypassSame generic ecosystem

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-538
Source
CVE List V5
Source checked
Oct 14, 2026
References
2 linked sources
Open source record