Vulnerability-Lookup

GHSA-QQRV-2HCH-83Q4

Vulnerability from github – Published: 2026-03-30 21:31 – Updated: 2026-04-01 23:07

Summary

Kyverno is vulnerable to server-side request forgery (SSRF)

Details

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

Severity ?

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/kyverno/kyverno"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.16.0"
            },
            {
              "last_affected": "1.17.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-4789"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-01T23:07:50Z",
    "nvd_published_at": "2026-03-30T21:17:10Z",
    "severity": "MODERATE"
  },
  "details": "Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions.",
  "id": "GHSA-qqrv-2hch-83q4",
  "modified": "2026-04-01T23:07:50Z",
  "published": "2026-03-30T21:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4789"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno/pull/15729"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kyverno/kyverno"
    },
    {
      "type": "WEB",
      "url": "https://kb.cert.org/vuls/id/655822"
    },
    {
      "type": "WEB",
      "url": "https://portswigger.net/web-security/ssrf"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/655822"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Kyverno is vulnerable to server-side request forgery (SSRF)"
}

CVE-2026-4789 (GCVE-0-2026-4789)

Vulnerability from cvelistv5 – Published: 2026-03-30 20:44 – Updated: 2026-04-01 18:43

Title

CVE-2026-4789

Summary

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

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-918 Server-Side Request Forgery (SSRF)

Assigner

certcc

References

URL

Tags

	https://github.com/kyverno/kyverno
	https://kb.cert.org/vuls/id/655822
	https://portswigger.net/web-security/ssrf

Impacted products

	Vendor	Product	Version
	Kyverno	Kyverno	Affected: 1.16.0

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-03-30T21:18:08.577Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/655822"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-4789",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T18:43:09.447511Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-01T18:43:50.952Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kyverno",
          "vendor": "Kyverno",
          "versions": [
            {
              "status": "affected",
              "version": "1.16.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Kyverno, versions 1.16.0 and later, are vulnerable to SSRF due to unrestricted CEL HTTP functions."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-918 Server-Side Request Forgery (SSRF)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-30T20:44:00.607Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://github.com/kyverno/kyverno"
        },
        {
          "url": "https://kb.cert.org/vuls/id/655822"
        },
        {
          "url": "https://portswigger.net/web-security/ssrf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-4789",
      "x_generator": {
        "engine": "VINCE 3.0.35",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-4789"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-4789",
    "datePublished": "2026-03-30T20:44:00.607Z",
    "dateReserved": "2026-03-24T20:03:13.388Z",
    "dateUpdated": "2026-04-01T18:43:50.952Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-QQRV-2HCH-83Q4

CVE-2026-4789 (GCVE-0-2026-4789)

Tags

Sightings

Nomenclature