{
  "fix": "RHSA-2026:67517",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-67517",
  "summary": "RHSA-2026:67517, released July 6, 2026, fixes 20 CVEs in grafana (version 10.2.6-26.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "grafana security update",
  "released": "2026-07-06T15:21:59Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-39821, rated Critical",
  "supported": true,
  "cveCount": 20,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01834,
  "maxCvss": 10,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:67517",
  "appliesTo": [
    {
      "product": "grafana",
      "productUrl": "https://patchblox.com/security/product/linux/grafana",
      "release": "RHEL 10",
      "fixedVersion": "10.2.6-26.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-39821",
      "url": "https://patchblox.com/security/cve/CVE-2026-39821",
      "title": "Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 10,
      "epss": 0.01834,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42499",
      "url": "https://patchblox.com/security/cve/CVE-2026-42499",
      "title": "Quadratic string concatenation in consumePhrase in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00798,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39820",
      "url": "https://patchblox.com/security/cve/CVE-2026-39820",
      "title": "Quadratic string concatentation in consumeComment in net/mail",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00784,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27137",
      "url": "https://patchblox.com/security/cve/CVE-2026-27137",
      "title": "Incorrect enforcement of email constraints in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00661,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33818",
      "url": "https://patchblox.com/security/cve/CVE-2026-33818",
      "title": "Enforce maximum recursion depth in encoding/asn1",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00568,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56853",
      "url": "https://patchblox.com/security/cve/CVE-2026-56853",
      "title": "Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00568,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56859",
      "url": "https://patchblox.com/security/cve/CVE-2026-56859",
      "title": "Add recursion depth guard during decode in encoding/xml",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00568,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56862",
      "url": "https://patchblox.com/security/cve/CVE-2026-56862",
      "title": "Limit handshake messages we are willing to accept post-handshake in crypto/tls",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00568,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42504",
      "url": "https://patchblox.com/security/cve/CVE-2026-42504",
      "title": "Quadratic complexity in WordDecoder.DecodeHeader in mime",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.0056,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56860",
      "url": "https://patchblox.com/security/cve/CVE-2026-56860",
      "title": "Avoid quadratic complexity in resolvePath in net/url",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.0055,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42127",
      "url": "https://patchblox.com/security/cve/CVE-2026-42127",
      "title": "grafana: The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated atta...",
      "priority": "High",
      "severity": "important",
      "cvss": 7.5,
      "epss": 0.00432,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8609",
      "url": "https://patchblox.com/security/cve/CVE-2026-8609",
      "title": "grafana: An unauthenticated attacker can repeatedly call Grafana\u0027s OAuth login route with unique values, causing unbounded mem...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.4,
      "epss": 0.00397,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33382",
      "url": "https://patchblox.com/security/cve/CVE-2026-33382",
      "title": "grafana: Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before process...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.4,
      "epss": 0.00388,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33810",
      "url": "https://patchblox.com/security/cve/CVE-2026-33810",
      "title": "Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56858",
      "url": "https://patchblox.com/security/cve/CVE-2026-56858",
      "title": "Fix Javascript regexp context tracking in html/template",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.0031,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33376",
      "url": "https://patchblox.com/security/cve/CVE-2026-33376",
      "title": "grafana: When using an IPv6 allow-list for the Auth Proxy feature, it defaults to /32 addresses",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.4,
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33377",
      "url": "https://patchblox.com/security/cve/CVE-2026-33377",
      "title": "grafana: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB \u0026 OpenTSDB",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00226,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-25681",
      "url": "https://patchblox.com/security/cve/CVE-2026-25681",
      "title": "Invoking  incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.7,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27136",
      "url": "https://patchblox.com/security/cve/CVE-2026-27136",
      "title": "Invoking  duplicate attributes can cause XSS in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.7,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42502",
      "url": "https://patchblox.com/security/cve/CVE-2026-42502",
      "title": "Invoking  incorrect handling of HTML elements in foreign content in golang.org/x/net/html",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.2,
      "epss": 0.00223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}