Vulnerability from bitnami_vulndb
Published
2026-04-06 07:49
Modified
2026-04-23 18:12
Summary
CVE-2026-4789
Details

Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "kyverno",
        "purl": "pkg:bitnami/kyverno"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.16.0"
            },
            {
              "fixed": "1.17.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-4789"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*"
    ],
    "severity": "Critical"
  },
  "details": "Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.",
  "id": "BIT-kyverno-2026-4789",
  "modified": "2026-04-23T18:12:09.750Z",
  "published": "2026-04-06T07:49:20.364Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno"
    },
    {
      "type": "WEB",
      "url": "https://kb.cert.org/vuls/id/655822"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4789"
    },
    {
      "type": "WEB",
      "url": "https://portswigger.net/web-security/ssrf"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/655822"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "CVE-2026-4789"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.