CVE-2026-79699

Status: Awaiting AnalysisMedium (4.4)—
A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer.
CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Base score: 4.4
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.17%
Percentile among all scored CVEs: 6
Score date: 10/6/2026
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).
Affected technologies (1)

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

CWE-59
References

Raw JSON (NVD)

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  "published": "2026-09-15T17:17:27.083",
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-79699",
      "source": "secalert@redhat.com"
    },
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523408",
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      "source": "secalert@redhat.com",
      "description": [
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          "lang": "en",
          "value": "CWE-59"
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      ]
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  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer."
    }
  ],
  "lastModified": "2026-10-02T15:17:10.327",
  "sourceIdentifier": "secalert@redhat.com"
}