Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-9p3r-hh9g-5cmg
Advisory ID github_osv/GHSA-9p3r-hh9g-5cmg
Aliases CVE-2026-41296
Summary OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile ## Summary Sandbox escape via TOCTOU race in remote FS bridge readFile ## Current Maintainer Triage - Normalized severity: critical - Assessment: v2026.3.28 remote sandbox reads still do path-check then separate file read, so the TOCTOU sandbox escape remains present in the latest shipped tag. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `121870a08583033ed6a0ed73d9ffea32991252bb` — 2026-03-31T09:55:51+09:00 OpenClaw thanks @AntAISecurityLab for reporting.
Status Published
Exploitability 0.5
Weighted Severity 8.5
Risk 4.2
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
System Score Found at
cvssv3.1 8.2 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9p3r-hh9g-5cmg/GHSA-9p3r-hh9g-5cmg.json
cvssv4 9.4 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9p3r-hh9g-5cmg/GHSA-9p3r-hh9g-5cmg.json
generic_textual CRITICAL
Reference id Reference type URL
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/commit/121870a08583033ed6a0ed73d9ffea32991252bb
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-9p3r-hh9g-5cmg
CVE-2026-41296 https://nvd.nist.gov/vuln/detail/CVE-2026-41296
openclaw-sandbox-escape-via-toctou-race-in-remote-fs-bridge-readfile Advisory https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-toctou-race-in-remote-fs-bridge-readfile
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9p3r-hh9g-5cmg/GHSA-9p3r-hh9g-5cmg.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9p3r-hh9g-5cmg/GHSA-9p3r-hh9g-5cmg.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-21T16:02:53Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/41xxx/CVE-2026-41296.json

Source Advisory: vulnrichment/CVE-2026-41296

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]