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OpenClaw hardened cron webhook delivery against SSRF

Type: advisorySources: OSV

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-27488
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 02:03 UTC · Revision 1

Source evidence

OpenClaw hardened cron webhook delivery against SSRF

core-osv · Original source

Published 21 Feb 2026, 09:49 UTC

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.

osv:CVE-2026-27488
Complete source record
{
  "id": "086e857e5e1feb238abe84164a62fd311cb50a672abe36716c5067a0a12271eb",
  "url": "https://osv.dev/vulnerability/CVE-2026-27488",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenClaw hardened cron webhook delivery against SSRF",
    "summary": "OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.",
    "evidence": "osv:CVE-2026-27488",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-27488",
      "aliases": [
        "CVE-2026-27488",
        "GHSA-w45g-5746-x9fp"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openclaw/openclaw",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "99db4d13e5c139883ef0def9ff963e9273179655"
                },
                {
                  "fixed": "2c05cbb43e48ebad03626d3125746fb1b9a8520f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2026.2.17"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "99db4d13e5c139883ef0def9ff963e9273179655"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2c05cbb43e48ebad03626d3125746fb1b9a8520f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2026.2.19"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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",
            "v2026.2.6",
            "v2026.2.3",
            "v2026.2.2",
            "v2026.2.1",
            "v2026.1.30",
            "v2026.1.29",
            "v2026.1.24-1",
            "v2026.1.24",
            "v2026.1.23",
            "v2026.1.22",
            "v2026.1.21",
            "v2026.1.20",
            "v2026.1.16-2",
            "v2026.1.15",
            "v2026.1.14-1",
            "v2026.1.13",
            "v2026.1.12-2",
            "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-2026-27488.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.164825907Z",
      "provider": "osv",
      "references": [
        "https://github.com/openclaw/openclaw/releases/tag/v2026.2.19",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27488.json",
        "https://github.com/openclaw/openclaw/security/advisories/GHSA-w45g-5746-x9fp",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-27488",
        "https://github.com/openclaw/openclaw/commit/99db4d13e5c139883ef0def9ff963e9273179655"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27488.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-27488",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514108,
  "published_at": "2026-02-21T09:49:04.956+00:00"
}