Vulnerability-Lookup

CVE-2026-35626 (GCVE-0-2026-35626)

Vulnerability from cvelistv5 – Published: 2026-04-09 21:26 – Updated: 2026-06-23 16:15 X_Open Source

Title

OpenClaw < 2026.3.22 - Unauthenticated Resource Exhaustion via Voice Call Webhook

Summary

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-14 03:08 UTC

CWE

CWE-405 - Asymmetric Resource Consumption (Amplification)

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6045 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/openclaw/openclaw/security/adv…	vendor-advisory
https://github.com/openclaw/openclaw/commit/630f1…	patch
https://github.com/openclaw/openclaw/commit/651dc…	patch
https://www.vulncheck.com/advisories/openclaw-una…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
OpenClaw	OpenClaw	Affected: 0 , < 2026.3.22 (semver) Unaffected: 2026.3.22 (semver) cpe:2.3:a:openclaw:openclaw::::::node.js::*

Date Public

2026-03-24 00:00

Credits

Seokjun Ryu (@SEORY0)

Show details on NVD website

JSON

To clipboard

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BREW-OPENCLAW-CLI-CVE-20… (GHSA-RM59-992W-X2MV)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-10-13 09:08 – Source website

Summary

OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Details

Summary

Voice Call webhook handling buffered request bodies before provider signature checks, enabling bounded unauthenticated resource exhaustion.

Affected Packages / Versions

Package: openclaw (npm)
Affected: < 2026.3.22
Fixed: >= 2026.3.22
Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

651dc7450b68a5396a009db78ef9382633707ead

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

extensions/voice-call/src/webhook.ts now enforces header gating and shared pre-auth body caps before reading attacker-controlled request bodies.
extensions/voice-call/src/webhook.test.ts ships regression coverage for missing-signature, oversize, and timeout pre-auth webhook cases.

OpenClaw thanks @SEORY0 for reporting.

Severity

6.6 (Medium)


                    
                      CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

References

URL

Type

	https://github.com/openclaw/openclaw/security/adv…	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-35626	ADVISORY
	https://github.com/openclaw/openclaw/commit/630f1…	WEB
	https://github.com/openclaw/openclaw/commit/651dc…	WEB
	https://github.com/openclaw/openclaw	PACKAGE
	https://www.vulncheck.com/advisories/openclaw-una…	WEB

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.3.22"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "openclaw-cli",
        "purl": "pkg:brew/openclaw-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2026.1.29"
            },
            {
              "fixed": "2026.3.24"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "npm",
        "key": "pkg:npm/openclaw@2026.10.2",
        "name": "openclaw",
        "strategy": "registry",
        "subject_version": "2026.10.2"
      }
    ]
  },
  "details": "## Summary\nVoice Call webhook handling buffered request bodies before provider signature checks, enabling bounded unauthenticated resource exhaustion.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `651dc7450b68a5396a009db78ef9382633707ead`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- extensions/voice-call/src/webhook.ts now enforces header gating and shared pre-auth body caps before reading attacker-controlled request bodies.\n- extensions/voice-call/src/webhook.test.ts ships regression coverage for missing-signature, oversize, and timeout pre-auth webhook cases.\n\nOpenClaw thanks @SEORY0 for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-35626",
  "modified": "2026-10-13T09:08:53Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35626"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling",
  "upstream": [
    "GHSA-rm59-992w-x2mv",
    "CVE-2026-35626"
  ]
}

CNVD-2026-21188

Vulnerability from cnvd - Published: 2026-05-21

Title

OpenClaw未经身份验证资源耗尽漏洞

Description

OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw存在未经身份验证资源耗尽漏洞，攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

OpenClaw未经身份验证资源耗尽漏洞的补丁

Patch Description

OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw存在未经身份验证资源耗尽漏洞，攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87

Reference

https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv

Impacted products

Name
OpenClaw OpenClaw <2026.3.22

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-35626",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-35626"
    }
  },
  "description": "OpenClaw\u662fOpenClaw\u5f00\u6e90\u7684\u4e00\u4e2a\u667a\u80fd\u4eba\u5de5\u52a9\u7406\u3002\n\nOpenClaw\u5b58\u5728\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u8d44\u6e90\u8017\u5c3d\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-21188",
  "openTime": "2026-05-21",
  "patchDescription": "OpenClaw\u662fOpenClaw\u5f00\u6e90\u7684\u4e00\u4e2a\u667a\u80fd\u4eba\u5de5\u52a9\u7406\u3002\r\n\r\nOpenClaw\u5b58\u5728\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u8d44\u6e90\u8017\u5c3d\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "OpenClaw\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u8d44\u6e90\u8017\u5c3d\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OpenClaw OpenClaw \u003c2026.3.22"
  },
  "referenceLink": "https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv",
  "serverity": "\u4e2d",
  "submitTime": "2026-04-10",
  "title": "OpenClaw\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u8d44\u6e90\u8017\u5c3d\u6f0f\u6d1e"
}

FKIE_CVE-2026-35626

Vulnerability from fkie_nvd - Published: 2026-04-09 22:16 - Updated: 2026-06-17 10:40

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

References

URL	Tags
disclosure@vulncheck.com	https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87	Patch
disclosure@vulncheck.com	https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead	Patch
disclosure@vulncheck.com	https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv	Vendor Advisory
disclosure@vulncheck.com	https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook	Third Party Advisory

Impacted products

	Vendor	Product	Version
	openclaw	openclaw	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/openclaw",
          "product": "OpenClaw",
          "vendor": "OpenClaw",
          "versions": [
            {
              "lessThan": "2026.3.22",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "2026.3.22",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "80A4431B-25A7-43D7-9618-5E37E4359DB5",
              "versionEndExcluding": "2026.3.22",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation."
    }
  ],
  "id": "CVE-2026-35626",
  "lastModified": "2026-06-17T10:40:53.533",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-35626",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-14T03:08:51.368183Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-09T22:16:31.047",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-405"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-36CP-MH65-X882

Vulnerability from github – Published: 2026-04-10 00:30 – Updated: 2026-04-10 20:18

Withdrawn 2026-04-10

Summary

Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references.

Original Description

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.3.22"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-405"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-10T20:18:58Z",
    "nvd_published_at": "2026-04-09T22:16:31Z",
    "severity": "MODERATE"
  },
  "details": "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.",
  "id": "GHSA-36cp-mh65-x882",
  "modified": "2026-04-10T20:18:58Z",
  "published": "2026-04-10T00:30:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35626"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling",
  "withdrawn": "2026-04-10T20:18:58Z"
}

GHSA-RM59-992W-X2MV

Vulnerability from github – Published: 2026-03-26 19:50 – Updated: 2026-04-10 20:19

Summary

OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Details

Summary

Voice Call webhook handling buffered request bodies before provider signature checks, enabling bounded unauthenticated resource exhaustion.

Affected Packages / Versions

Package: openclaw (npm)
Affected: < 2026.3.22
Fixed: >= 2026.3.22
Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

651dc7450b68a5396a009db78ef9382633707ead

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

extensions/voice-call/src/webhook.ts now enforces header gating and shared pre-auth body caps before reading attacker-controlled request bodies.
extensions/voice-call/src/webhook.test.ts ships regression coverage for missing-signature, oversize, and timeout pre-auth webhook cases.

OpenClaw thanks @SEORY0 for reporting.

Severity

6.6 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.3.22"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-35626"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-26T19:50:41Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "## Summary\nVoice Call webhook handling buffered request bodies before provider signature checks, enabling bounded unauthenticated resource exhaustion.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `651dc7450b68a5396a009db78ef9382633707ead`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- extensions/voice-call/src/webhook.ts now enforces header gating and shared pre-auth body caps before reading attacker-controlled request bodies.\n- extensions/voice-call/src/webhook.test.ts ships regression coverage for missing-signature, oversize, and timeout pre-auth webhook cases.\n\nOpenClaw thanks @SEORY0 for reporting.",
  "id": "GHSA-rm59-992w-x2mv",
  "modified": "2026-04-10T20:19:04Z",
  "published": "2026-03-26T19:50:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35626"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook"
    }
  ],
  "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:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling"
}

WID-SEC-W-2026-0856

Vulnerability from csaf_certbund - Published: 2026-03-24 23:00 - Updated: 2026-04-12 22:00

Summary

OpenClaw: Mehrere Schwachstellen

Severity

Hoch

Scope

25 vulnerabilities in this advisory, including CVE-2026-35626.

CVE-2026-35626

Known affected: 1 product

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2026-35626 (GCVE-0-2026-35626)

BREW-OPENCLAW-CLI-CVE-20… (GHSA-RM59-992W-X2MV)

Summary

Affected Packages / Versions

Fix Commit(s)

Release Status

Code-Level Confirmation

CNVD-2026-21188

FKIE_CVE-2026-35626

GHSA-36CP-MH65-X882

Duplicate Advisory

Original Description

GHSA-RM59-992W-X2MV

Summary

Affected Packages / Versions

Fix Commit(s)

Release Status

Code-Level Confirmation

WID-SEC-W-2026-0856

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