CVE-2026-31996

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Los atacantes con acceso de ejecuci\u00f3n de comandos pueden aprovechar el indicador sort -o para escrituras de archivos arbitrarias o el indicador grep -R para lecturas de archivos recursivas, eludiendo las restricciones intencionadas de solo stdin."}], "id": "CVE-2026-31996", "lastModified": "2026-06-17T10:34:54.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "disclosure@vulncheck.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "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:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-31996", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-19T17:01:51.595821Z", "version": "2.0.3"}}]}, "published": "2026-03-19T02:16:04.917", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/2c05cbb43e48ebad03626d3125746fb1b9a8520f"}, {"source": "disclosure@vulncheck.com", "tags": ["Vendor Advisory"], "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-4685-c5cp-vp95"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-safebins-stdin-only-bypass-via-sort-output-and-recursive-grep-flags"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2026.2.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2026.2.19"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenClaw", "source": "cna", "vendor": "OpenClaw"}, "product": "openclaw", "vendor": "openclaw"}], "analysis": {"en": {"generated_at": "2026-03-19T02:22:14.379188+00:00", "value": {"mitigation_remediation": ["Apply the official OpenClaw patch v2026.2.19 or later to remediate the input validation bypass.", "If a patch cannot be applied immediately, restrict the execution of the sort and grep utilities or remove the insecure flags from the safeBins configuration until an update is available."], "summary": {"action": "Patch", "impact": "Arbitrary file read/write via sort and grep flags"}, "threat_synthesis": {"affected_systems": "The vulnerability affects all OpenClaw products deployed before version 2026.2.19, as identified by the vendor database. The affected software runs on Node.js environments and is enumerated as cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*. Any installations in this configuration are vulnerable unless updated to 2026.2.19 or later.", "description_and_impact": "In OpenClaw versions prior to 2026.2.19 the tools.exec.safeBins component contains an input validation bypass. The bypass allows attackers who already have command execution privileges to use the sort -o flag to write arbitrary files or the grep -R flag to read files recursively, thereby escaping the intended stdin\u2011only restriction. This weakness is a form of OS command injection (CWE\u201178) that can lead to unintended filesystem modifications or data exfiltration.", "risk_and_exploitability": "The CVSS score of 2.0 indicates low severity; the EPSS score is not available and the vulnerability is not listed in the CISA KEV catalog. Exploitation requires that the attacker already have command execution capability on the target system. Therefore the threat is limited to scenarios where command execution is possible, and no public exploitation or widespread active attacks are reported. The risk is considered low for systems that are already securely configured, but unpatched systems that have exposed command execution paths remain vulnerable."}}}}, "created": "2026-03-19T08:54:49.974791+00:00", "updated": "2026-03-25T11:55:35.438745+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}