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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2026-43824

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-42880, CVE-2026-43824
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 04:01 UTC · Revision 1

Source evidence

CVE-2026-43824

core-osv · Original source

Published 2 May 2026, 01:20 UTC

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data.

osv:CVE-2026-43824
Complete source record
{
  "id": "eaaa6c10b9f0ecc022704058d61bc652efb42e95535f2c8e769f81614d1a5d40",
  "url": "https://osv.dev/vulnerability/CVE-2026-43824",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-43824",
    "summary": "In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data.",
    "evidence": "osv:CVE-2026-43824",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-43824",
      "aliases": [
        "BIT-argo-cd-2026-42880",
        "CVE-2026-42880",
        "CVE-2026-43824",
        "GHSA-3v3m-wc6v-x4x3",
        "GO-2026-5099"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/argoproj/argo-cd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "66b2f302d91a42cc151808da0eec0846bbe1062c"
                },
                {
                  "fixed": "6d66c1b29e4f25dccfb5b0c7a939785b0071ef9a"
                },
                {
                  "introduced": "fd6b7d5b3cba5e7aa7ad400b0fb905a81018a77b"
                },
                {
                  "fixed": "1b1bb48f981385cf40b282e965cf63419be3d93f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.2.0"
                      },
                      {
                        "fixed": "3.2.11"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.3.0"
                      },
                      {
                        "fixed": "3.3.9"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.2.10",
            "v3.3.8",
            "v3.3.7",
            "v3.2.9",
            "v3.2.8",
            "v3.3.6",
            "v3.3.5",
            "v3.3.4",
            "v3.3.3",
            "v3.3.2",
            "v3.2.7",
            "v3.3.1",
            "v3.2.6",
            "v3.3.0",
            "v3.2.5",
            "v3.2.4",
            "stable",
            "v3.2.3",
            "v3.2.2",
            "v3.2.1",
            "v3.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43824.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.430093785Z",
      "provider": "osv",
      "references": [
        "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43824.json",
        "https://access.redhat.com/security/cve/CVE-2026-43824",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43824.json",
        "https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43824",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2464613"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-212"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43824.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42880",
        "evidence": "/aliases"
      },
      {
        "value": "CVE-2026-43824",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517963,
  "published_at": "2026-05-02T01:20:33.348+00:00"
}