{"id":"CVE-2026-41389","aliases":["EUVD-2026-23931","GHSA-mr34-9552-qr95","GHSA-qc5j-2mqx-x83q"],"status":"published","title":"OpenClaw 2026.4.7 \u003c 2026.4.15 - Arbitrary File Read via Unvalidated Tool-Result Media Paths","description":"OpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00264,"percentile":0.18329,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22","CWE-73"],"published":"2026-04-17T22:33:09Z","modified":"2026-11-11T10:30:23Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.15"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2026.4.7"},{"fixed":"2026.4.15"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"2026.4.7"},{"fixed":"2026.4.15"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-mr34-9552-qr95","tags":["vendor-advisory","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/1470de5d3e0970856d86cd99336bb8ada3fe87da","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/6e58f1f9f54bca1fea1268ec0ee4c01a2af03dde","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/52ef42302ead9e183e6c8810e0a04ee4ef8ae9fc","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-unvalidated-tool-result-media-paths","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/pull/67293","tags":["web"]},{"url":"https://github.com/openclaw/openclaw/pull/67298","tags":["web"]},{"url":"https://github.com/openclaw/openclaw/pull/67303","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41389","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mr34-9552-qr95"},{"url":"https://github.com/advisories/GHSA-qc5j-2mqx-x83q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41389.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41389","title":"OpenClaw 2026.4.7 \u003c 2026.4.15 - Arbitrary File Read via Unvalidated Tool-Result Media Paths","description":"OpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"published","published":"2026-04-20T17:48:43.704Z","modified":"2026-04-20T18:05:03.103Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-23931","description":"OpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"published","published":"2026-04-20T17:48:43Z","modified":"2026-04-20T18:05:03Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:24:22.012341Z"}],"ghsa":[{"id":"GHSA-mr34-9552-qr95","title":"OpenClaw: Webchat media embedding enforces local-root containment for tool-result files","description":"## Summary\n\nWebchat tool-result media normalization could pass local and UNC-style file paths into the host-side media embedding path without applying the configured local-root containment policy.\n\n## Impact\n\nA crafted tool-result media reference could cause the host to attempt local file reads or Windows UNC/network path access while preparing webchat media blocks. This could disclose allowed host files or trigger network credential exposure on affected Windows deployments. Severity remains medium because exploitation depends on a tool-result media path reaching the webchat embedding path, but the sink is a host-side file read before the user sees the rendered result.\n\n## Affected versions\n\n- Affected: `\u003e= 2026.4.7, \u003c 2026.4.15`\n- Patched: `2026.4.15`\n\n## Fix\n\nOpenClaw `2026.4.15` hardens the webchat media path and the shared media resolver. Remote-host `file://` URLs and Windows network paths are rejected before filesystem access, and audio embedding now enforces configured `localRoots` containment before `stat` or read operations.\n\nVerified in `v2026.4.15`:\n\n- `src/gateway/server-methods/chat-webchat-media.ts` uses safe file-URL parsing, rejects Windows network paths, and calls `assertLocalMediaAllowed` before probing local audio files.\n- `src/media/web-media.ts` rejects remote-host `file://` URLs, Windows network paths, and local-root bypasses on the shared media path.\n- `src/gateway/server-methods/chat-webchat-media.test.ts` covers both remote-host `file://` rejection and local-root denial before filesystem access.\n\nFix commits included in `v2026.4.15` and absent from `v2026.4.14`:\n\n- `1470de5d3e0970856d86cd99336bb8ada3fe87da` via PR #67293\n- `6e58f1f9f54bca1fea1268ec0ee4c01a2af03dde` via PR #67298\n- `52ef42302ead9e183e6c8810e0a04ee4ef8ae9fc` via PR #67303 as defense-in-depth for trusted media passthrough anchoring\n\nThanks to @Kherrisan for reporting this issue.","status":"published","published":"2026-04-17T22:33:09Z","modified":"2026-05-08T01:13:05Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22","CWE-73"],"updated_at":"2026-11-02T14:40:03.762927Z"},{"id":"GHSA-qc5j-2mqx-x83q","title":"Duplicate Advisory: OpenClaw: Webchat media embedding enforces local-root containment for tool-result files","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-mr34-9552-qr95. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"withdrawn","published":"2026-04-20T18:31:50Z","modified":"2026-05-05T18:12:15Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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","level":"medium"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:40:00.970271Z"}],"nvd":[{"id":"CVE-2026-41389","description":"OpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"published","published":"2026-04-20T18:16:27.98Z","modified":"2026-06-17T10:46:38.453Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"CVE-2026-41389","title":"OpenClaw 2026.4.7 \u003c 2026.4.15 - Arbitrary File Read via Unvalidated Tool-Result Media Paths","description":"OpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"published","published":"2026-04-20T17:48:43.704Z","modified":"2026-11-11T10:30:23.747234682Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"cwes":["CWE-73"],"updated_at":"2026-11-11T11:06:45.241059Z"},{"id":"GHSA-mr34-9552-qr95","title":"OpenClaw: Webchat media embedding enforces local-root containment for tool-result files","description":"## Summary\n\nWebchat tool-result media normalization could pass local and UNC-style file paths into the host-side media embedding path without applying the configured local-root containment policy.\n\n## Impact\n\nA crafted tool-result media reference could cause the host to attempt local file reads or Windows UNC/network path access while preparing webchat media blocks. This could disclose allowed host files or trigger network credential exposure on affected Windows deployments. Severity remains medium because exploitation depends on a tool-result media path reaching the webchat embedding path, but the sink is a host-side file read before the user sees the rendered result.\n\n## Affected versions\n\n- Affected: `\u003e= 2026.4.7, \u003c 2026.4.15`\n- Patched: `2026.4.15`\n\n## Fix\n\nOpenClaw `2026.4.15` hardens the webchat media path and the shared media resolver. Remote-host `file://` URLs and Windows network paths are rejected before filesystem access, and audio embedding now enforces configured `localRoots` containment before `stat` or read operations.\n\nVerified in `v2026.4.15`:\n\n- `src/gateway/server-methods/chat-webchat-media.ts` uses safe file-URL parsing, rejects Windows network paths, and calls `assertLocalMediaAllowed` before probing local audio files.\n- `src/media/web-media.ts` rejects remote-host `file://` URLs, Windows network paths, and local-root bypasses on the shared media path.\n- `src/gateway/server-methods/chat-webchat-media.test.ts` covers both remote-host `file://` rejection and local-root denial before filesystem access.\n\nFix commits included in `v2026.4.15` and absent from `v2026.4.14`:\n\n- `1470de5d3e0970856d86cd99336bb8ada3fe87da` via PR #67293\n- `6e58f1f9f54bca1fea1268ec0ee4c01a2af03dde` via PR #67298\n- `52ef42302ead9e183e6c8810e0a04ee4ef8ae9fc` via PR #67303 as defense-in-depth for trusted media passthrough anchoring\n\nThanks to @Kherrisan for reporting this issue.","status":"published","published":"2026-04-17T22:33:09Z","modified":"2026-05-08T01:41:28.957126Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22","CWE-73"],"updated_at":"2026-11-02T15:46:52.170928Z"},{"id":"GHSA-qc5j-2mqx-x83q","title":"Duplicate Advisory: OpenClaw: Webchat media embedding enforces local-root containment for tool-result files","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-mr34-9552-qr95. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw versions 2026.4.7 before 2026.4.15 fail to enforce local-root containment on tool-result media paths, allowing arbitrary local and UNC file access. Attackers can craft malicious tool-result media references to trigger host-side file reads or Windows network path access, potentially disclosing sensitive files or exposing credentials.","status":"withdrawn","published":"2026-04-20T18:31:50Z","modified":"2026-05-05T18:18:39.8522Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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","level":"medium"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:46:54.40888Z"}]}}