CVE-2026-109971

Status: Awaiting AnalysisMedium (4.7)—
Severity4.7Medium · CVSS 3.1
Exploitation probability0.13 %higher than 2% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

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.

CVSS

Base score
4.7
Version
3.1
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.13 %
Percentile among all scored CVEs
2
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

El PIN del token PKCS#11 se pasa como argumento a pkcs11-tool y es visible para cualquier usuario local vía listado de procesos o /proc (AV:L, UI:N).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

CWEs

References

Show 3 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-109971",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-10-14T11:21:23.765249Z"
        }
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    "cvssMetricV31": [
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        "source": "secalert@redhat.com",
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          "scope": "UNCHANGED",
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          "baseScore": 4.7,
          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1
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  "published": "2026-10-14T10:17:53.440",
  "references": [
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      "url": "https://access.redhat.com/security/cve/CVE-2026-109971",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550363",
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    {
      "lang": "en",
      "value": "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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  "lastModified": "2026-10-15T16:33:26.290",
  "sourceIdentifier": "secalert@redhat.com"
}