Argo CD: AppProject destination-namespace and resource restrictions bypassed by PreDelete/PostDelete resource hooks in github.com/argoproj/argo-cd

{
  "id": "696696d1d2dca2c5c2951ec55443139d48ef70fcd1e129d055321e1e2f10e99e",
  "url": "https://osv.dev/vulnerability/GO-2026-6784",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Argo CD: AppProject destination-namespace and resource restrictions bypassed by PreDelete/PostDelete resource hooks in github.com/argoproj/argo-cd",
    "summary": "Argo CD: AppProject destination-namespace and resource restrictions bypassed by PreDelete/PostDelete resource hooks in github.com/argoproj/argo-cd",
    "evidence": "osv:GO-2026-6784",
    "products": [
      {
        "name": {
          "value": "github.com/argoproj/argo-cd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/argoproj/argo-cd/v2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "github.com/argoproj/argo-cd/v3",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.3.15",
            "evidence": "/affected/2/ranges"
          },
          {
            "value": "3.4.10",
            "evidence": "/affected/2/ranges"
          },
          {
            "value": "3.5.4",
            "evidence": "/affected/2/ranges"
          },
          {
            "value": "3.6.0-rc2",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2026-6784",
      "aliases": [
        "BIT-argo-cd-2026-77459",
        "CVE-2026-77459",
        "GHSA-fmxq-cgp8-87wp",
        "GO-2026-6784"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/argoproj/argo-cd",
            "purl": "pkg:golang/github.com/argoproj/argo-cd",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6784.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "2.10.0"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/argoproj/argo-cd/v2",
            "purl": "pkg:golang/github.com/argoproj/argo-cd/v2",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6784.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "3.0.0"
                },
                {
                  "fixed": "3.3.15"
                },
                {
                  "introduced": "3.4.0"
                },
                {
                  "fixed": "3.4.10"
                },
                {
                  "introduced": "3.5.0"
                },
                {
                  "fixed": "3.5.4"
                },
                {
                  "introduced": "3.6.0-rc1"
                },
                {
                  "fixed": "3.6.0-rc2"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/argoproj/argo-cd/v3",
            "purl": "pkg:golang/github.com/argoproj/argo-cd/v3",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6784.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-20T11:25:50.628228133Z",
      "provider": "osv",
      "references": [
        "https://github.com/argoproj/argo-cd/security/advisories/GHSA-fmxq-cgp8-87wp",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-77459",
        "https://github.com/argoproj/argo-cd/commit/1149cdc6e932208c4402183cc3d7b7485239940c",
        "https://github.com/argoproj/argo-cd/commit/4bc8085b0a6d2296b849539d3d09fc7be7a4a511",
        "https://github.com/argoproj/argo-cd/commit/7f0a05834b05103d69d7c150e1ee36541b314696",
        "https://github.com/argoproj/argo-cd/commit/d5dd7019ee65be8895133fe4df554e28074242c4",
        "https://github.com/argoproj/argo-cd/releases/tag/v3.3.15",
        "https://github.com/argoproj/argo-cd/releases/tag/v3.4.10",
        "https://github.com/argoproj/argo-cd/releases/tag/v3.5.4",
        "https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2026-6784",
        "review_status": "UNREVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-77459",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 387172,
  "published_at": "2026-10-19T21:08:35+00:00"
}