{
  "fix": "SUSE-SU-2026:20904-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-20904-1",
  "summary": "SUSE-SU-2026:20904-1, released March 18, 2026, fixes 9 CVEs in cosign (version 3.0.5-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "cosign security update",
  "released": "2026-03-18T11:27:44Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-23991, high severity",
  "supported": true,
  "cveCount": 9,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00597,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:20904-1",
  "appliesTo": [
    {
      "product": "cosign",
      "productUrl": "https://patchblox.com/security/product/linux/cosign",
      "release": "sles 16.0",
      "fixedVersion": "3.0.5-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-23991",
      "url": "https://patchblox.com/security/cve/CVE-2026-23991",
      "title": "cosign: github.com/theupdateframework/go-tuf/v2: denial of service due to invalid TUF metadata JSON returned",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00581,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23992",
      "url": "https://patchblox.com/security/cve/CVE-2026-23992",
      "title": "cosign: github.com/theupdateframework/go-tuf/v2: unauthorized modification to TUF metadata files due to a",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00215,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-58181",
      "url": "https://patchblox.com/security/cve/CVE-2025-58181",
      "title": "apptainer: Fixed unbounded memory consumption in",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00597,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11065",
      "url": "https://patchblox.com/security/cve/CVE-2025-11065",
      "title": "grafana: Fixed sensitive information leak in logs (version 11.5.9) (bsc#1250616)",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00519,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-26958",
      "url": "https://patchblox.com/security/cve/CVE-2026-26958",
      "title": "alloy: filippo.io/edwards25519: failure to initialize receiver in MultiScalarMult can produce invalid results",
      "priority": "Routine",
      "epss": 0.00415,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24137",
      "url": "https://patchblox.com/security/cve/CVE-2026-24137",
      "title": "apptainer: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client allows for arbitrary file writes with target",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.8,
      "epss": 0.0039,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-22772",
      "url": "https://patchblox.com/security/cve/CVE-2026-22772",
      "title": "cosign: github.com/sigstore/fulcio: bypass MetaIssuer URL validation bypass can trigger SSRF to arbitrary",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00232,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-24122",
      "url": "https://patchblox.com/security/cve/CVE-2026-24122",
      "title": "cosign: improper validation of certificates that outlive expired CA certificates (bsc#1258542).",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.7,
      "epss": 0.00215,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-22703",
      "url": "https://patchblox.com/security/cve/CVE-2026-22703",
      "title": "cosign: Verification accepts any valid Rekor entry under certain conditions (bsc#1256496).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00106,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T19:49:26Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}