{"id":"CVE-2026-41336","aliases":["EUVD-2026-25320","GHSA-3qpv-xf3v-mm45","GHSA-jx3c-247h-cxwp"],"status":"published","title":"OpenClaw \u003c 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override","description":"OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00133,"percentile":0.02837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-15","CWE-829"],"published":"2026-04-02T21:00:16Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.31"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.28"},{"fixed":"2026.3.31"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.31"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-3qpv-xf3v-mm45","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/330a9f98cb29c79b1c16a2117e03d6276a0d6289","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-hook-code-execution-via-openclaw-bundled-hooks-dir-environment-variable-override","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.31","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41336","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3qpv-xf3v-mm45"},{"url":"https://github.com/advisories/GHSA-jx3c-247h-cxwp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41336.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41336","title":"OpenClaw \u003c 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override","description":"OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"published","published":"2026-04-23T21:57:56.165Z","modified":"2026-04-24T11:03:12.589Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-25320","description":"OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"published","published":"2026-04-23T21:57:56Z","modified":"2026-04-24T11:03:12Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:24:18.636842Z"}],"ghsa":[{"id":"GHSA-3qpv-xf3v-mm45","title":"OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code","description":"## Summary\nWorkspace `.env` can override the bundled hooks root and load attacker hook code\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: high\n- Assessment: v2026.3.28 still lets workspace .env override OPENCLAW_BUNDLED_HOOKS_DIR, which can replace trusted default-on bundled hooks from an untrusted workspace.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `330a9f98cb29c79b1c16a2117e03d6276a0d6289` — 2026-03-31T19:25:12+09:00\n\nOpenClaw thanks @nexrin for reporting.","status":"published","published":"2026-04-02T21:00:16Z","modified":"2026-05-06T23:22:26Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-15","CWE-829"],"updated_at":"2026-11-02T14:40:02.883746Z"},{"id":"GHSA-jx3c-247h-cxwp","title":"Duplicate Advisory: OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-3qpv-xf3v-mm45. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"withdrawn","published":"2026-04-24T00:31:51Z","modified":"2026-05-04T21:54:05Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/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-2026-41336","description":"OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"published","published":"2026-04-23T22:16:39.603Z","modified":"2026-06-17T10:46:32.007Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/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-2026-41336","title":"OpenClaw \u003c 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Environment Variable Override","description":"OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"published","published":"2026-04-23T21:57:56.165Z","modified":"2026-10-28T02:30:55.03832068Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-3qpv-xf3v-mm45","title":"OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code","description":"## Summary\nWorkspace `.env` can override the bundled hooks root and load attacker hook code\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: high\n- Assessment: v2026.3.28 still lets workspace .env override OPENCLAW_BUNDLED_HOOKS_DIR, which can replace trusted default-on bundled hooks from an untrusted workspace.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `330a9f98cb29c79b1c16a2117e03d6276a0d6289` — 2026-03-31T19:25:12+09:00\n\nOpenClaw thanks @nexrin for reporting.","status":"published","published":"2026-04-02T21:00:16Z","modified":"2026-05-06T23:41:29.196691Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-15","CWE-829"],"updated_at":"2026-11-02T15:46:36.092962Z"},{"id":"GHSA-jx3c-247h-cxwp","title":"Duplicate Advisory: OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-3qpv-xf3v-mm45. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.","status":"withdrawn","published":"2026-04-24T00:31:51Z","modified":"2026-05-05T16:11:13.156198Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:46:51.10002Z"}]}}