CVE-2026-41338 json
OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations
published 2026-04-03 7 mo ago modified 2026-07-08 4 mo ago also GHSA-rm5c-4rmf-vvhw , EUVD-2026-25322
- cvss
- 5.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
Patch / fix
- npm openclaw 2026.3.31
- OpenClaw OpenClaw 2026.3.31
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.09% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.3 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L |
| CNA | 4.0 | 4.3 | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.3.31 |
2026.3.31 |
Affected products
- OpenClaw OpenClaw
Classification
- Weakness
-
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
References
-
github.com
/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860
patch, web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations
third-party-advisory
-
github.com
/openclaw/openclaw
package
-
github.com
/openclaw/openclaw/releases/tag/v2026.3.31
web
Sources
- CVE List CVE-2026-41338
- GitHub Advisory GHSA-rm5c-4rmf-vvhw
- NVD CVE-2026-41338
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