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CVE-2026-75939 Openshift/oc-mirror: release signature verification: openpgp signatureerror checked before signed body is consumed

🗓️ 21 Sep 2026 14:05:10Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

Remote PGP signature bypass in openshift/oc-mirror enables mirroring malicious payloads.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.18",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "openshift4/oc-mirror-plugin-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1790828598",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.18::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift4/oc-mirror-plugin-rhel8",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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15 Oct 2026 19:13Current
CVSS 3.17.4
EPSS0.00377
SSVC
51