{"id":"CVE-2026-32022","aliases":["EUVD-2026-13292","GHSA-3xfw-4pmr-4xc5"],"status":"published","title":"OpenClaw \u003c 2026.2.21 - Arbitrary File Read via grep -e Flag Policy Bypass","description":"OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00275,"percentile":0.20149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-184"],"published":"2026-03-03T19:09:20Z","modified":"2026-10-28T02:30:48Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.2.21"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.2.21"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.2.21"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-3xfw-4pmr-4xc5","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/c6ee14d60e4cbd6a82f9b2d74ebeb1e8ee814964","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-grep-e-flag-policy-bypass","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32022","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3xfw-4pmr-4xc5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32022.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32022","title":"OpenClaw \u003c 2026.2.21 - Arbitrary File Read via grep -e Flag Policy Bypass","description":"OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.","status":"published","published":"2026-03-19T22:06:58.574Z","modified":"2026-06-23T16:14:41.384Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T14:19:57.100857Z"}],"euvd":[{"id":"EUVD-2026-13292","description":"OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.","status":"published","published":"2026-03-19T22:06:58Z","modified":"2026-06-23T16:14:41Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:32.273921Z"}],"ghsa":[{"id":"GHSA-3xfw-4pmr-4xc5","title":"OpenClaw safeBins grep -e File Read Bypass (stdin-only policy bypass)","description":"### Summary\n\nOpenClaw `tools.exec.safeBins` had a stdin-only policy bypass for `grep`.\nIf pattern input was supplied through `-e` / `--regexp`, the validator consumed the pattern as a flag value and still allowed one positional operand. That positional could be a bare filename like `.env`.\n\n### Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Latest published vulnerable version: `2026.2.19-2`\n- Structured vulnerable range: `\u003c= 2026.2.19-2`\n- Planned fixed range for next release: `\u003e= 2026.2.21`\n\n### Exploit Preconditions\n\n- `tools.exec.safeBins` must include `grep` (this is opt-in; `grep` is not in the default safe-bin list).\n- An actor must be able to invoke exec tooling under that profile.\n\n### Technical Details\n\n`src/infra/exec-safe-bin-policy.ts` configured `grep` with `maxPositional: 1` and allowed `-e` / `--regexp` value flags.\nBecause `-e` consumes the pattern in flag-value position, the remaining positional budget could be used for a file operand.\nExample accepted input in vulnerable builds:\n\n```bash\ngrep -e SECRET .env\n```\n\nThat violated the intended stdin-only guarantee for safe bins.\n\n### Impact\n\nWith `grep` opt-in enabled, callers could read bare-relative files from the working directory (for example `.env`, `credentials.txt`) in flows expected to be stdin-only.\n\n### Severity Rationale\n\nCVSS v3.1 is set to:\n`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N` (5.3, Medium)\n\n`AC:H` is used because exploitation depends on a non-default configuration (`grep` must be explicitly added to safe bins) in addition to normal low-privilege tool-invocation capability.\n\n### Fix Commit(s)\n\n- `c6ee14d60e4cbd6a82f9b2d74ebeb1e8ee814964`\n\n### Release Process Note\n\n`patched_versions` is pre-set to `\u003e= 2026.2.21` so this advisory is ready to publish after the `2026.2.21` npm release is live.\n\nOpenClaw thanks @athuljayaram for reporting.","status":"published","published":"2026-03-03T19:09:20Z","modified":"2026-06-08T23:23:41Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T14:40:20.187636Z"}],"nvd":[{"id":"CVE-2026-32022","description":"OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.","status":"published","published":"2026-03-19T22:16:36.31Z","modified":"2026-06-17T10:34:57.49Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/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":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T14:12:10.126802Z"}],"osv":[{"id":"CVE-2026-32022","title":"OpenClaw \u003c 2026.2.21 - Arbitrary File Read via grep -e Flag Policy Bypass","description":"OpenClaw versions prior to 2026.2.21 contain a stdin-only policy bypass vulnerability in the grep tool within tools.exec.safeBins that allows attackers to read arbitrary files by supplying a pattern via the -e flag parameter. Attackers can include a positional filename operand to bypass file access restrictions and read sensitive files.env from the working directory.","status":"published","published":"2026-03-19T22:06:58.574Z","modified":"2026-10-28T02:30:48.699311434Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-3xfw-4pmr-4xc5","title":"OpenClaw safeBins grep -e File Read Bypass (stdin-only policy bypass)","description":"### Summary\n\nOpenClaw `tools.exec.safeBins` had a stdin-only policy bypass for `grep`.\nIf pattern input was supplied through `-e` / `--regexp`, the validator consumed the pattern as a flag value and still allowed one positional operand. That positional could be a bare filename like `.env`.\n\n### Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Latest published vulnerable version: `2026.2.19-2`\n- Structured vulnerable range: `\u003c= 2026.2.19-2`\n- Planned fixed range for next release: `\u003e= 2026.2.21`\n\n### Exploit Preconditions\n\n- `tools.exec.safeBins` must include `grep` (this is opt-in; `grep` is not in the default safe-bin list).\n- An actor must be able to invoke exec tooling under that profile.\n\n### Technical Details\n\n`src/infra/exec-safe-bin-policy.ts` configured `grep` with `maxPositional: 1` and allowed `-e` / `--regexp` value flags.\nBecause `-e` consumes the pattern in flag-value position, the remaining positional budget could be used for a file operand.\nExample accepted input in vulnerable builds:\n\n```bash\ngrep -e SECRET .env\n```\n\nThat violated the intended stdin-only guarantee for safe bins.\n\n### Impact\n\nWith `grep` opt-in enabled, callers could read bare-relative files from the working directory (for example `.env`, `credentials.txt`) in flows expected to be stdin-only.\n\n### Severity Rationale\n\nCVSS v3.1 is set to:\n`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N` (5.3, Medium)\n\n`AC:H` is used because exploitation depends on a non-default configuration (`grep` must be explicitly added to safe bins) in addition to normal low-privilege tool-invocation capability.\n\n### Fix Commit(s)\n\n- `c6ee14d60e4cbd6a82f9b2d74ebeb1e8ee814964`\n\n### Release Process Note\n\n`patched_versions` is pre-set to `\u003e= 2026.2.21` so this advisory is ready to publish after the `2026.2.21` npm release is live.\n\nOpenClaw thanks @athuljayaram for reporting.","status":"published","published":"2026-03-03T19:09:20Z","modified":"2026-06-08T23:30:20.270779148Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}