GHSA-W45G-5746-X9FP

Vulnerability from github – Published: 2026-02-20 21:13 – Updated: 2026-02-23 22:29
VLAI?
Summary
OpenClaw hardened cron webhook delivery against SSRF
Details

Affected Packages / Versions

  • openclaw npm package versions <= 2026.2.17.

Vulnerability

Cron webhook delivery in src/gateway/server-cron.ts used fetch() directly, so webhook targets could reach private/metadata/internal endpoints without SSRF policy checks.

Fix Commit(s)

  • 99db4d13e
  • 35851cdaf

Thanks @Adam55A-code for reporting.

Severity ?
6.9 (Medium)
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
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2026.2.17"
      },
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.2.19"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-27488"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-20T21:13:03Z",
    "nvd_published_at": "2026-02-21T10:16:13Z",
    "severity": "MODERATE"
  },
  "details": "## Affected Packages / Versions\n\n- `openclaw` npm package versions `\u003c= 2026.2.17`.\n\n## Vulnerability\nCron webhook delivery in `src/gateway/server-cron.ts` used `fetch()` directly, so webhook targets could reach private/metadata/internal endpoints without SSRF policy checks.\n\n## Fix Commit(s)\n- `99db4d13e`\n- `35851cdaf`\n\nThanks @Adam55A-code for reporting.",
  "id": "GHSA-w45g-5746-x9fp",
  "modified": "2026-02-23T22:29:47Z",
  "published": "2026-02-20T21:13:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-w45g-5746-x9fp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27488"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/99db4d13e5c139883ef0def9ff963e9273179655"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.2.19"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw hardened cron webhook delivery against SSRF"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.