Vulnerability-Lookup

CVE-2026-53843 (GCVE-0-2026-53843)

Vulnerability from cvelistv5 – Published: 2026-06-16 18:04 – Updated: 2026-06-18 03:55 X_Open Source

Title

OpenClaw < 2026.5.26 - Node Token Revocation Bypass via Pairing-Scoped Device Session

Summary

OpenClaw before 2026.5.26 contains an authorization bypass vulnerability where a surviving pairing-scoped device session can re-establish node token authority after revocation. Attackers with a paired device can regain WebSocket node-level access without renewed approval, weakening revocation controls and maintaining unauthorized access longer than intended.

Severity

8.7 (High)


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

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-17 00:00 UTC

CWE

CWE-613 - Insufficient Session Expiration

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/openclaw/openclaw/security/adv…	vendor-advisory
https://www.vulncheck.com/advisories/openclaw-nod…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
OpenClaw	OpenClaw	Affected: 0 , < 2026.5.26 (semver) Unaffected: 2026.5.26 (semver) cpe:2.3:a:openclaw:openclaw::::::node.js::*

Date Public

2026-05-28 00:00

Credits

cantinagen Ellahi (@Ellahinator)

Show details on NVD website

JSON

To clipboard

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BREW-OPENCLAW-CLI-CVE-20… (GHSA-Q99W-VH6V-Q3V7)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-25 08:57 – Source website

Summary

OpenClaw: Pairing-scoped device session could restore revoked node token authority

Details

Summary

In affected releases, a surviving pairing-scoped session for a device could re-establish node token authority after that node token had been revoked. Revocation should require the device to lose that authority unless it is approved again through the normal pairing flow.

This issue affects token revocation and device-role containment. It does not allow unauthenticated device creation.

Affected configurations

This affects deployments where an already paired device keeps a same-device session with pairing-related scope after its node token is revoked.

Impact

A device that should have lost node WebSocket authority could regain it without renewed approval. That weakens revocation as an operator control and can keep node-level access alive longer than intended.

The impact is limited to devices that already had a legitimate pairing/session foothold.

Patched Versions

The first stable patched version is 2026.5.26.

Mitigations

Upgrade to openclaw@2026.5.26 or later. If a node token was revoked on an older version, restart the gateway and remove/re-pair the affected device to ensure no stale session remains active.

Severity

8.8 (High)


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

References

URL

Type

	https://github.com/openclaw/openclaw/security/adv…	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-53843	ADVISORY
	https://github.com/openclaw/openclaw	PACKAGE
	https://www.vulncheck.com/advisories/openclaw-nod…	WEB

JSON

To clipboard

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        "fix": "bump",
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        "upstream_fixed_in": "2026.5.26"
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  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "npm",
        "key": "pkg:npm/openclaw@2026.9.6",
        "name": "openclaw",
        "strategy": "registry",
        "subject_version": "2026.9.6"
      }
    ]
  },
  "details": "### Summary\n\nIn affected releases, a surviving pairing-scoped session for a device could re-establish node token authority after that node token had been revoked. Revocation should require the device to lose that authority unless it is approved again through the normal pairing flow.\n\nThis issue affects token revocation and device-role containment. It does not allow unauthenticated device creation.\n\n### Affected configurations\n\nThis affects deployments where an already paired device keeps a same-device session with pairing-related scope after its node token is revoked.\n\n### Impact\n\nA device that should have lost node WebSocket authority could regain it without renewed approval. That weakens revocation as an operator control and can keep node-level access alive longer than intended.\n\nThe impact is limited to devices that already had a legitimate pairing/session foothold.\n\n### Patched Versions\n\nThe first stable patched version is `2026.5.26`.\n\n### Mitigations\n\nUpgrade to `openclaw@2026.5.26` or later. If a node token was revoked on an older version, restart the gateway and remove/re-pair the affected device to ensure no stale session remains active.",
  "id": "BREW-openclaw-cli-CVE-2026-53843",
  "modified": "2026-09-25T08:57:16Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-q99w-vh6v-q3v7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53843"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-node-token-revocation-bypass-via-pairing-scoped-device-session"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenClaw: Pairing-scoped device session could restore revoked node token authority",
  "upstream": [
    "GHSA-q99w-vh6v-q3v7",
    "CVE-2026-53843"
  ]
}

FKIE_CVE-2026-53843

Vulnerability from fkie_nvd - Published: 2026-06-16 19:17 - Updated: 2026-06-18 04:17

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/openclaw/openclaw/security/advisories/GHSA-q99w-vh6v-q3v7	Vendor Advisory
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/openclaw-node-token-revocation-bypass-via-pairing-scoped-device-session	Third Party Advisory

Impacted products

Vendor	Product	Version
openclaw	openclaw	*
openclaw	openclaw	2026.5.26
openclaw	openclaw	2026.5.26

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/openclaw",
          "product": "OpenClaw",
          "repo": "https://github.com/openclaw/openclaw",
          "vendor": "OpenClaw",
          "versions": [
            {
              "lessThan": "2026.5.26",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "2026.5.26",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "D84C1888-2526-4DDE-BF69-39406820F05E",
              "versionEndExcluding": "2026.5.26",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openclaw:openclaw:2026.5.26:beta1:*:*:*:node.js:*:*",
              "matchCriteriaId": "89ABB777-50F9-4258-A3C0-1B028A948297",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openclaw:openclaw:2026.5.26:beta2:*:*:*:node.js:*:*",
              "matchCriteriaId": "C5DEEC82-614B-42D4-BC37-B03EC17CFE70",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenClaw before 2026.5.26 contains an authorization bypass vulnerability where a surviving pairing-scoped device session can re-establish node token authority after revocation. Attackers with a paired device can regain WebSocket node-level access without renewed approval, weakening revocation controls and maintaining unauthorized access longer than intended."
    }
  ],
  "id": "CVE-2026-53843",
  "lastModified": "2026-06-18T04:17:00.750",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "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": 8.7,
          "baseSeverity": "HIGH",
          "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": "LOW",
          "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:L/UI:N/VC:H/VI:H/VA:H/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": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53843",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-17T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-16T19:17:01.257",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-q99w-vh6v-q3v7"
    },
    {
      "source": "disclosure@vulncheck.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.vulncheck.com/advisories/openclaw-node-token-revocation-bypass-via-pairing-scoped-device-session"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-Q99W-VH6V-Q3V7

Vulnerability from github – Published: 2026-06-18 13:03 – Updated: 2026-06-18 13:03

Summary

OpenClaw: Pairing-scoped device session could restore revoked node token authority

Details

Summary

This issue affects token revocation and device-role containment. It does not allow unauthenticated device creation.

Affected configurations

This affects deployments where an already paired device keeps a same-device session with pairing-related scope after its node token is revoked.

Impact

The impact is limited to devices that already had a legitimate pairing/session foothold.

Patched Versions

The first stable patched version is 2026.5.26.

Mitigations

Upgrade to openclaw@2026.5.26 or later. If a node token was revoked on an older version, restart the gateway and remove/re-pair the affected device to ensure no stale session remains active.

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.5.26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-53843"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284",
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-18T13:03:24Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Summary\n\nIn affected releases, a surviving pairing-scoped session for a device could re-establish node token authority after that node token had been revoked. Revocation should require the device to lose that authority unless it is approved again through the normal pairing flow.\n\nThis issue affects token revocation and device-role containment. It does not allow unauthenticated device creation.\n\n### Affected configurations\n\nThis affects deployments where an already paired device keeps a same-device session with pairing-related scope after its node token is revoked.\n\n### Impact\n\nA device that should have lost node WebSocket authority could regain it without renewed approval. That weakens revocation as an operator control and can keep node-level access alive longer than intended.\n\nThe impact is limited to devices that already had a legitimate pairing/session foothold.\n\n### Patched Versions\n\nThe first stable patched version is `2026.5.26`.\n\n### Mitigations\n\nUpgrade to `openclaw@2026.5.26` or later. If a node token was revoked on an older version, restart the gateway and remove/re-pair the affected device to ensure no stale session remains active.",
  "id": "GHSA-q99w-vh6v-q3v7",
  "modified": "2026-06-18T13:03:24Z",
  "published": "2026-06-18T13:03:24Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-q99w-vh6v-q3v7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53843"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-node-token-revocation-bypass-via-pairing-scoped-device-session"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenClaw: Pairing-scoped device session could restore revoked node token authority"
}

GHSA-WRMQ-9FC4-GWWJ

Vulnerability from github – Published: 2026-06-16 21:31 – Updated: 2026-06-18 13:03

Withdrawn 2026-06-18

Summary

Duplicate Advisory: Pairing-scoped device session could restore revoked node token authority

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-q99w-vh6v-q3v7. This link is maintained to preserve external references.

Original Description

Severity

8.8 (High)


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

8.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c 2026.5.26"
      },
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-613"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-18T13:03:03Z",
    "nvd_published_at": "2026-06-16T19:17:01Z",
    "severity": "HIGH"
  },
  "details": "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of\u00a0GHSA-q99w-vh6v-q3v7. This link is maintained to preserve external references.\n\n## Original Description\nOpenClaw before 2026.5.26 contains an authorization bypass vulnerability where a surviving pairing-scoped device session can re-establish node token authority after revocation. Attackers with a paired device can regain WebSocket node-level access without renewed approval, weakening revocation controls and maintaining unauthorized access longer than intended.",
  "id": "GHSA-wrmq-9fc4-gwwj",
  "modified": "2026-06-18T13:03:03Z",
  "published": "2026-06-16T21:31:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-q99w-vh6v-q3v7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53843"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-node-token-revocation-bypass-via-pairing-scoped-device-session"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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: Pairing-scoped device session could restore revoked node token authority",
  "withdrawn": "2026-06-18T13:03:03Z"
}

WID-SEC-W-2026-1738

Vulnerability from csaf_certbund - Published: 2026-05-28 22:00 - Updated: 2026-06-16 22:00

Summary

OpenClaw: Mehrere Schwachstellen

Severity

Hoch

Scope

64 vulnerabilities in this advisory, including CVE-2026-53843.

CVE-2026-53843

Known affected: 1 product

Open the full advisory

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.

Action not permitted

CVE-2026-53843 (GCVE-0-2026-53843)

BREW-OPENCLAW-CLI-CVE-20… (GHSA-Q99W-VH6V-Q3V7)

Summary

Affected configurations

Impact

Patched Versions

Mitigations

FKIE_CVE-2026-53843

GHSA-Q99W-VH6V-Q3V7

Summary

Affected configurations

Impact

Patched Versions

Mitigations

GHSA-WRMQ-9FC4-GWWJ

Duplicate Advisory

Original Description

WID-SEC-W-2026-1738

Tags

Sightings

Nomenclature

Related by attack behaviour