OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events

{
  "id": "57fd475d3d69cbecd85ec3ede7c577ce88da3da00bee711b13b99c4a5fdcc0ac",
  "url": "https://osv.dev/vulnerability/CVE-2026-43534",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events",
    "summary": "OpenClaw before 2026.4.10 contains an input validation vulnerability that allows external hook metadata to be enqueued as trusted system events. Attackers can supply malicious hook names to escalate untrusted input into higher-trust agent context.",
    "evidence": "osv:CVE-2026-43534",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-43534",
      "aliases": [
        "CVE-2026-43534",
        "GHSA-7g8c-cfr3-vqqr"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openclaw/openclaw",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "44e5b62c27e088128e32e209c146de346c3ea7e6"
                },
                {
                  "fixed": "e3a845bde5b54f4f1e742d0a51ba9860f9619b29"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2026.4.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e3a845bde5b54f4f1e742d0a51ba9860f9619b29"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2026.4.9",
            "v2026.4.9-beta.1",
            "v2026.4.8",
            "v2026.4.7-1",
            "v2026.4.7",
            "v2026.4.5",
            "v2026.4.2",
            "v2026.4.1",
            "v2026.4.1-beta.1",
            "v2026.3.31",
            "v2026.3.31-beta.1",
            "v2026.3.28",
            "v2026.3.28-beta.1",
            "v2026.3.24",
            "v2026.3.24-beta.2",
            "v2026.3.24-beta.1",
            "v2026.3.23-2",
            "v2026.3.23",
            "v2026.3.23-beta.1",
            "v2026.3.22",
            "v2026.3.22-beta.1",
            "v2026.3.13-1",
            "v2026.3.13",
            "v2026.3.12",
            "v2026.3.11",
            "v2026.3.11-beta.1",
            "v2026.3.8",
            "v2026.3.8-beta.1",
            "v2026.3.7",
            "v2026.3.7-beta.1",
            "v2026.3.2-beta.1",
            "v2026.3.2",
            "v2026.3.1",
            "v2026.2.26",
            "v2026.2.26-beta.1",
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            "v2026.2.25-beta.1",
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            "v2026.2.23-beta.1",
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            "v2026.2.21",
            "v2026.2.21-beta.1",
            "v2026.2.19-beta.1",
            "v2026.2.19",
            "v2026.2.17",
            "v2026.2.15-beta.1",
            "v2026.2.14",
            "v2026.2.13",
            "v2026.2.12",
            "v2026.2.9",
            "v2026.2.6-3",
            "v2026.2.6-2",
            "v2026.2.6-1",
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            "v2026.2.3",
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            "v2026.1.12",
            "v2026.1.11-3",
            "v2026.1.11-2",
            "v2026.1.11-1",
            "v2026.1.11",
            "v2026.1.10",
            "v2026.1.9",
            "v2026.1.8",
            "v2026.1.5-3",
            "v2026.1.5-2",
            "v2026.1.5-1",
            "v2026.1.5",
            "v2.0.0-beta5",
            "v2.0.0-beta4",
            "v2.0.0-beta3",
            "v2.0.0-beta2",
            "v2.0.0-beta1",
            "v1.3.0",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.0",
            "v1.0.4",
            "v0.1.3",
            "v0.1.2",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43534.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.166876347Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43534.json",
        "https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqr",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43534",
        "https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agent-hook-events",
        "https://github.com/openclaw/openclaw/commit/e3a845bde5b54f4f1e742d0a51ba9860f9619b29"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-345"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43534.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-43534",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500332,
  "published_at": "2026-05-05T11:25:06.675+00:00"
}