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CVE-2026-3691

Estado: AnalizadaMedia (5.3)—

OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization flow.

The specific flaw exists within the implementation of OAuth authorization. The issue results from the exposure of sensitive data in the authorization URL query string. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-29381.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Openclaw — Openclaw

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3691",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-3691",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-04-13T17:42:15.767036Z"
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          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 3.6,
        "exploitabilityScore": 1.6
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  "affected": [
    {
      "source": "zdi-disclosures@trendmicro.com",
      "affectedData": [
        {
          "vendor": "OpenClaw",
          "product": "OpenClaw",
          "versions": [
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              "version": "2026.2.21"
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  "published": "2026-04-11T01:16:16.123",
  "references": [
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      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-6g25-pc82-vfwp",
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      ],
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      "value": "OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization flow.\n\nThe specific flaw exists within the implementation of OAuth authorization. The issue results from the exposure of sensitive data in the authorization URL query string. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-29381."
    }
  ],
  "lastModified": "2026-06-17T10:44:00.807",
  "configurations": [
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        {
          "negate": false,
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