CVE-2026-28470
OpenClaw has an exec allowlist bypass via command substitution/backticks inside double quotes
Description
### Summary Exec approvals allowlist bypass via command substitution/backticks inside double quotes. ### Affected Packages / Versions - Package: `openclaw` (npm) - Affected: `<= 2026.2.1` - Fixed: `>= 2026.2.2` ### Impact Only affects setups that explicitly enable the optional exec approvals allowlist feature. Default installs are unaffected. ### Fix Reject unescaped `$()` and backticks inside double quotes during allowlist analysis. ### Fix Commit(s) - d1ecb46076145deb188abcba8f0699709ea17198 Thanks @simecek for reporting.
How to fix CVE-2026-28470
To remediate CVE-2026-28470, upgrade the affected package to a fixed version below.
- —upgrade to 2026.2.2 or later
Is CVE-2026-28470 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.2.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |