CVE-2026-28363

Affected: OpenClaw

In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option abbreviations (such as --compress-prog) in allowlist mode, leading to approval-free execution paths that were intended to require approval. Only an exact string such as --compress-program was denied.

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

Affected: npm: openclaw

### 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.

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CVE-2026-28363

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