{"id":"CVE-2026-31997","aliases":["EUVD-2026-13033","GHSA-q399-23r3-hfx4"],"status":"published","title":"OpenClaw \u003c 2026.3.1 - Executable Rebind via Unbound PATH-token in system.run Approvals","description":"OpenClaw versions prior to 2026.3.1 fail to pin executable identity for non-path-like argv[0] tokens in system.run approvals, allowing post-approval executable rebind attacks. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved, enabling arbitrary command execution.","severity":{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00096,"percentile":0.00685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367","CWE-426"],"published":"2026-03-02T22:03:29Z","modified":"2026-10-28T02:30:49Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.3.1"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.1"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-q399-23r3-hfx4","tags":["vendor-advisory","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-executable-rebind-via-unbound-path-token-in-system-run-approvals","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31997","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q399-23r3-hfx4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31997.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-31997","title":"OpenClaw \u003c 2026.3.1 - Executable Rebind via Unbound PATH-token in system.run Approvals","description":"OpenClaw versions prior to 2026.3.1 fail to pin executable identity for non-path-like argv[0] tokens in system.run approvals, allowing post-approval executable rebind attacks. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved, enabling arbitrary command execution.","status":"published","published":"2026-03-19T01:00:54.913Z","modified":"2026-06-23T16:14:24.584Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:19:51.277563Z"}],"euvd":[{"id":"EUVD-2026-13033","description":"OpenClaw versions prior to 2026.3.1 fail to pin executable identity for non-path-like argv[0] tokens in system.run approvals, allowing post-approval executable rebind attacks. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved, enabling arbitrary command execution.","status":"published","published":"2026-03-19T01:00:54Z","modified":"2026-06-23T16:14:24Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:32.768333Z"}],"ghsa":[{"id":"GHSA-q399-23r3-hfx4","title":"OpenClaw: system.run approvals did not bind PATH-token executable identity, enabling post-approval executable rebind","description":"### Summary\nFor `host=node` runs, approvals validated command context but did not pin executable identity for non-path-like `argv[0]` tokens (for example `tr`). If PATH resolution changed after approval, execution could run a different binary.\n\n### Impact\nA previously approved action could execute a different executable than the operator approved.\n\n### Fix\nNode `system.run` approvals now require immutable `systemRunPlan` data, and path-token commands are pinned to canonical executable identity (`realpath`) across approval and execution.\n\n### Affected and Patched Versions\n- Affected: `\u003c= 2026.2.26`\n- Patched: `2026.3.1`","status":"published","published":"2026-03-02T22:03:29Z","modified":"2026-03-19T21:22:36Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-367","CWE-426"],"updated_at":"2026-11-02T14:39:38.524712Z"}],"nvd":[{"id":"CVE-2026-31997","description":"OpenClaw versions prior to 2026.3.1 fail to pin executable identity for non-path-like argv[0] tokens in system.run approvals, allowing post-approval executable rebind attacks. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved, enabling arbitrary command execution.","status":"published","published":"2026-03-19T02:16:05.13Z","modified":"2026-06-17T10:34:54.36Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:N/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":6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-31997","title":"OpenClaw \u003c 2026.3.1 - Executable Rebind via Unbound PATH-token in system.run Approvals","description":"OpenClaw versions prior to 2026.3.1 fail to pin executable identity for non-path-like argv[0] tokens in system.run approvals, allowing post-approval executable rebind attacks. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved, enabling arbitrary command execution.","status":"published","published":"2026-03-19T01:00:54.913Z","modified":"2026-10-28T02:30:49.149509937Z","cvss":[{"version":"4.0","score":4.4,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-q399-23r3-hfx4","title":"OpenClaw: system.run approvals did not bind PATH-token executable identity, enabling post-approval executable rebind","description":"### Summary\nFor `host=node` runs, approvals validated command context but did not pin executable identity for non-path-like `argv[0]` tokens (for example `tr`). If PATH resolution changed after approval, execution could run a different binary.\n\n### Impact\nA previously approved action could execute a different executable than the operator approved.\n\n### Fix\nNode `system.run` approvals now require immutable `systemRunPlan` data, and path-token commands are pinned to canonical executable identity (`realpath`) across approval and execution.\n\n### Affected and Patched Versions\n- Affected: `\u003c= 2026.2.26`\n- Patched: `2026.3.1`","status":"published","published":"2026-03-02T22:03:29Z","modified":"2026-03-19T21:41:21.278979Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-367","CWE-426"],"updated_at":"2026-11-02T15:46:54.055966Z"}]}}