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Medium

OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification

Type: advisorySources: OSV

OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-41403
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 16:24 UTC · Revision 1

Source evidence

OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification

core-osv · Original source

Published 28 Apr 2026, 18:10 UTC

OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.

osv:CVE-2026-41403
Complete source record
{
  "id": "9b1a74d39e6caaa326d7e3c0b960a17fcb8a40419fe39408825c4a481bb706a5",
  "url": "https://osv.dev/vulnerability/CVE-2026-41403",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification",
    "summary": "OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.",
    "evidence": "osv:CVE-2026-41403",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-41403",
      "aliases": [
        "CVE-2026-41403",
        "GHSA-3xv9-89fm-7h4r"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openclaw/openclaw",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "213a704b71f4996dc82a583288ee53785215f627"
                },
                {
                  "fixed": "30a1690323088fd291abd11643a264a6828a002c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2026.3.31"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "30a1690323088fd291abd11643a264a6828a002c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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",
            "v2026.2.25",
            "v2026.2.25-beta.1",
            "v2026.2.24",
            "v2026.2.24-beta.1",
            "v2026.2.23",
            "v2026.2.23-beta.1",
            "v2026.2.22",
            "v2026.2.22-beta.1",
            "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",
            "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-2026-41403.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.299180638Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41403.json",
        "https://github.com/openclaw/openclaw/security/advisories/GHSA-3xv9-89fm-7h4r",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-41403",
        "https://www.vulncheck.com/advisories/openclaw-access-control-bypass-via-proxied-remote-request-misclassification",
        "https://github.com/openclaw/openclaw/commit/30a1690323088fd291abd11643a264a6828a002c"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-807"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41403.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-41403",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504639,
  "published_at": "2026-04-28T18:10:00.264+00:00"
}