{"id":"CVE-2026-41355","aliases":["EUVD-2026-25339","GHSA-42mx-vp8m-j7qh","GHSA-m563-373q-885c"],"status":"published","title":"OpenClaw \u003c 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion","description":"OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","severity":{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00123,"percentile":0.02073,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-829"],"published":"2026-04-07T18:11:21Z","modified":"2026-10-28T02:31:00Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.28"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.24"},{"fixed":"2026.3.28"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.28"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-42mx-vp8m-j7qh","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openshell-arbitrary-code-execution-via-mirror-mode-sandbox-file-conversion","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41355","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-42mx-vp8m-j7qh"},{"url":"https://github.com/advisories/GHSA-m563-373q-885c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41355.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41355","title":"OpenClaw \u003c 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion","description":"OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"published","published":"2026-04-23T21:58:14.596Z","modified":"2026-05-12T01:46:30.701Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T13:40:57.334596Z"}],"euvd":[{"id":"EUVD-2026-25339","description":"OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"published","published":"2026-04-23T21:58:14Z","modified":"2026-05-12T01:46:30Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:04:38.653286Z"}],"ghsa":[{"id":"GHSA-42mx-vp8m-j7qh","title":"OpenClaw: OpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup","description":"## Summary\nOpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: medium\n- Assessment: Real on shipped \u003c=2026.3.22 OpenShell mirror sync, but exploit needs mirror mode plus hooks enabled plus explicit hook opt-in plus restart, so high is overstated even though the direct fix shipped in v2026.3.28.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.24`\n- Patched versions: `\u003e= 2026.3.28`\n- First stable tag containing the fix: `v2026.3.28`\n\n## Fix Commit(s)\n- `c02ee8a3a4cb390b23afdf21317aa8b2096854d1` — 2026-03-25T19:59:07Z\n\n## Release Process Note\n- The fix is already present in released version `2026.3.28`.\n- This draft looks ready for final maintainer disposition or publication, not additional code-fix work.\n\nThanks @tdjackey for reporting.","status":"published","published":"2026-04-07T18:11:21Z","modified":"2026-05-06T23:25:21Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:40:02.883746Z"},{"id":"GHSA-m563-373q-885c","title":"Duplicate Advisory: OpenClaw: OpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-42mx-vp8m-j7qh. This link is maintained to preserve external references.\n\n### Original Description\nOpenShell before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"withdrawn","published":"2026-04-24T00:31:52Z","modified":"2026-05-04T22:00:21Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/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","level":"medium"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:40:00.970271Z"}],"nvd":[{"id":"CVE-2026-41355","description":"OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"published","published":"2026-04-23T22:16:42.84Z","modified":"2026-06-17T10:46:34.32Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:12:15.867234Z"}],"osv":[{"id":"CVE-2026-41355","title":"OpenClaw \u003c 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion","description":"OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"published","published":"2026-04-23T21:58:14.596Z","modified":"2026-10-28T02:31:00.133738694Z","cvss":[{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-42mx-vp8m-j7qh","title":"OpenClaw: OpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup","description":"## Summary\nOpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: medium\n- Assessment: Real on shipped \u003c=2026.3.22 OpenShell mirror sync, but exploit needs mirror mode plus hooks enabled plus explicit hook opt-in plus restart, so high is overstated even though the direct fix shipped in v2026.3.28.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.24`\n- Patched versions: `\u003e= 2026.3.28`\n- First stable tag containing the fix: `v2026.3.28`\n\n## Fix Commit(s)\n- `c02ee8a3a4cb390b23afdf21317aa8b2096854d1` — 2026-03-25T19:59:07Z\n\n## Release Process Note\n- The fix is already present in released version `2026.3.28`.\n- This draft looks ready for final maintainer disposition or publication, not additional code-fix work.\n\nThanks @tdjackey for reporting.","status":"published","published":"2026-04-07T18:11:21Z","modified":"2026-05-06T23:41:29.120368Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:46:36.434231Z"},{"id":"GHSA-m563-373q-885c","title":"Duplicate Advisory: OpenClaw: OpenShell `mirror` mode can convert untrusted sandbox files into explicitly enabled workspace hooks and execute them on the host during gateway startup","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-42mx-vp8m-j7qh. This link is maintained to preserve external references.\n\n### Original Description\nOpenShell before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.","status":"withdrawn","published":"2026-04-24T00:31:52Z","modified":"2026-05-05T16:08:28.577441Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":5.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/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","level":"medium"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:46:51.463834Z"}]}}