{
  "cveId": "CVE-2026-54787",
  "url": "https://patchblox.com/security/cve/CVE-2026-54787",
  "summary": "CVE-2026-54787 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-54787, released August 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "sigstore-go: sigstore-go is a Go library for Sigstore signing and verification",
  "description": "sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window of an ExpiringKey wrapping a self-managed long-lived signing key without a certificate, which can allow an attacker holding expired key material to sign accepted bundles. This issue is fixed in version 1.2.1.",
  "published": "2026-07-31T23:17:25Z",
  "severity": "low",
  "cvss": 3.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.00134,
  "epssPercentile": 0.02904,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "govulncheck-vulndb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.0.20260827T195228-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21761-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21761-1",
      "released": "2026-09-04T12:30:23Z"
    },
    {
      "platform": "linux",
      "product": "govulncheck-vulndb",
      "release": "sles 16.0",
      "fixedVersion": "0.0.20260827T195228-160000.1.1",
      "fix": "SUSE-SU-2026:23625-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23625-1",
      "released": "2026-09-04T12:32:03Z"
    },
    {
      "platform": "linux",
      "product": "sigstore-go",
      "release": "Debian 14",
      "fixedVersion": "1.2.1-1",
      "fix": "DEBIAN-CVE-2026-54787",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-54787",
      "released": "2026-08-01T14:28:19Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}