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Description

OpenClaw versions prior to 2026.2.19 contain an allowlist bypass vulnerability in the exec safeBins policy that allows attackers to write arbitrary files using short-option payloads. Attackers can bypass argument validation by attaching short options like -o to whitelisted binaries, enabling unauthorized file-write operations that should be denied by safeBins checks.

PUBLISHED Reserved 2026-03-10 | Published 2026-03-19 | Updated 2026-03-25 | Assigner VulnCheck




MEDIUM: 6.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Problem types

CWE-184: Incomplete List of Disallowed Inputs

Product status

Default status
unaffected

Any version before 2026.2.19
affected

2026.2.19 (semver)
unaffected

Credits

xelitte (@FailButWin) reporter

Redgrave961 reporter

References

github.com/...enclaw/security/advisories/GHSA-3x3x-h76w-hp98 (GitHub Security Advisory (GHSA-3x3x-h76w-hp98)) third-party-advisory

github.com/...ommit/cfe8457a0f4aae5324daec261d3b0aad1461a4bc (Patch Commit #1) patch

github.com/...ommit/bafdbb6f112409a65decd3d4e7350fbd637c7754 (Patch Commit #2) patch

github.com/...ommit/fec48a5006eab37c6a5821726ccaeec886486b13 (Patch Commit #3) patch

www.vulncheck.com/...a-short-option-bypass-in-exec-allowlist (VulnCheck Advisory: OpenClaw < 2026.2.19 - Arbitrary File Write via Short-Option Bypass in exec Allowlist) third-party-advisory

cve.org (CVE-2026-32017)

nvd.nist.gov (CVE-2026-32017)

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