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BREW-openclaw-cli-CVE-2026-28363 — OpenClaw's tools.exec.safeBins sort long-option abbreviation bypass can skip exec approval in allowlist mode

2026-10-03T19:41:37.046577+00:00

Affected: Homebrew: openclaw-cli

### Summary In OpenClaw, `tools.exec.safeBins` validation for `sort` could be bypassed via GNU long-option abbreviations in allowlist mode, allowing approval-free execution paths that should require approval.

### Affected Packages / Versions - Ecosystem: npm - Package: `openclaw` - Latest published version checked: `2026.2.22-2` - Affected range: `<= 2026.2.22-2` - Fixed version: `2026.2.23`

### Impact When all of the following are true: - `tools.exec.security=allowlist` - `tools.exec.ask=on-miss` - `tools.exec.safeBins` includes `sort`

abbreviated GNU long options (for example `--compress-prog`) could bypass denied-flag checks and be treated as allowlist-satisfied safe-bin usage, skipping approval.

### Root Cause Long-option handling matched denied flags by exact string and accepted unknown long options with inline values instead of failing closed.

### Fix Commit(s) - `3b8e33037ae2e12af7beb56fcf0346f1f8cbde6f`

### Release Process Note `patched_versions` is pre-set to the released version (`2026.2.23`). This advisory now reflects released fix version `2026.2.23`.

OpenClaw thanks @tdjackey for reporting.

EUVD-2026-275478

2026-10-03T19:41:37.046676+00:00

EUVD-2026-275478

fkie_cve-2026-32059

2026-10-03T19:41:37.046701+00:00

OpenClaw version 2026.2.22-2 prior to 2026.2.23 tools.exec.safeBins validation for sort command fails to properly validate GNU long-option abbreviations, allowing attackers to bypass denied-flag checks via abbreviated options. Remote attackers can execute sort commands with abbreviated long options to skip approval requirements in allowlist mode.

GHSA-3c6h-g97w-fg78 — OpenClaw's tools.exec.safeBins sort long-option abbreviation bypass can skip exec approval in allowlist mode

2026-10-03T19:41:37.046744+00:00

Affected: npm: openclaw