{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28459","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-02-27T19:18:01.077Z","datePublished":"2026-03-05T21:59:37.255Z","dateUpdated":"2026-03-09T17:20:30.030Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageURL":"pkg:npm/openclaw","product":"OpenClaw","vendor":"OpenClaw","versions":[{"lessThan":"2026.2.12","status":"affected","version":"0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2026.2.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"credits":[{"lang":"en","type":"reporter","value":"Tuba Deligoz (@tubadeligoz)"}],"datePublic":"2026-02-14T00:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>OpenClaw versions prior to 2026.2.12 fail to validate the sessionFile path parameter, allowing authenticated gateway clients to write transcript data to arbitrary locations on the host filesystem. Attackers can supply a sessionFile path outside the sessions directory to create files and append data repeatedly, potentially causing configuration corruption or denial of service.</p>"}],"value":"OpenClaw versions prior to 2026.2.12 fail to validate the sessionFile path parameter, allowing authenticated gateway clients to write transcript data to arbitrary locations on the host filesystem. Attackers can supply a sessionFile path outside the sessions directory to create files and append data repeatedly, potentially causing configuration corruption or denial of service."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"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:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-73","description":"External Control of File Name or Path","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-03-06T16:33:50.484Z"},"references":[{"name":"GitHub Security Advisory (GHSA-64qx-vpxx-mvqf)","tags":["vendor-advisory"],"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-64qx-vpxx-mvqf"},{"name":"Patch Commit #1","tags":["patch"],"url":"https://github.com/openclaw/openclaw/commit/4199f9889f0c307b77096a229b9e085b8d856c26"},{"name":"Patch Commit #2","tags":["patch"],"url":"https://github.com/openclaw/openclaw/commit/25950bcbb8ba4d8cde002557f6e27c219ae4deda"},{"name":"VulnCheck Advisory: OpenClaw < 2026.2.12 - Arbitrary File Write via Untrusted sessionFile Path","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-untrusted-sessionfile-path"}],"source":{"discovery":"UNKNOWN"},"title":"OpenClaw < 2026.2.12 - Arbitrary File Write via Untrusted sessionFile Path","x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-09T17:19:39.603065Z","id":"CVE-2026-28459","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-09T17:20:30.030Z"}}]}}