CVE-2026-31990

Description

### Summary `stageSandboxMedia` allowed destination symlink traversal during media staging, which could overwrite files outside the sandbox workspace root. ### Impact When sandbox media staging handled inbound files, destination writes under `media/inbound` were not destination-alias-safe. If a symlink existed in that destination path, the write could follow it and overwrite host files outside the intended sandbox workspace boundary. ### Affected Packages / Versions - Package: `openclaw` (npm) - Latest published version checked: `2026.3.1` - Affected: `<= 2026.3.1` - Patched versions: `>= 2026.3.2` (released) ### Root Cause `stageSandboxMedia` validated source paths but wrote destination files with a direct copy path that did not enforce destination boundary/alias checks. ### Remediation The fix routes staging writes through root-scoped safe write primitives for both local and SCP-staged attachments, preventing destination symlink traversal escapes. ### Fix Commit(s) - `17ede52a4be3034f6ec4b883ac6b81ad0101558a`

How to fix CVE-2026-31990

To remediate CVE-2026-31990, upgrade the affected package to a fixed version below.

—upgrade to 2026.3.2 or later

Is CVE-2026-31990 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

from 0, < 2026.3.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N