CVE-2026-4040

OpenClaw File Existence tools.exec.safeBins information exposure

A vulnerability was identified in OpenClaw up to 2026.2.17. This issue affects the function tools.exec.safeBins of the component File Existence Handler. The manipulation leads to information exposure through discrepancy. The attack needs to be performed locally. Upgrading to version 2026.2.19-beta.1 is capable of addressing this issue. The identifier of the patch is bafdbb6f112409a65decd3d4e7350fbd637c7754. Upgrading the affected component is advised.

Affected

OpenClaw

CVSS v4.0 VULDB

4.8 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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

CVSS v3.1 NVD

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 VULDB

3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 GitHub

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0 VULDB

1.7 LOWAV:L/AC:L/Au:S/C:P/I:N/A:N

EPSS

0.20% chance of exploitation in the next 30 days, 10th percentile

Published

2026-03-12

Proof-of-concept exploits (1)

• George0Papasotiriou/CVE-2026-4040-Race-Condition-in-File-Upload-Leading-to-RCE0★ · 2026-08-03

Security advisories

• openclaw/openclaw/security/advisories/GHSA-6c9j-x93c-rw6j
• https://vuldb.com/?id.350652
• https://vuldb.com/?submit.769581
• advisories/GHSA-6c9j-x93c-rw6j
• openclaw/openclaw/commit/bafdbb6f112409a65decd3d4e7350fbd637c7754

References

• CVE Record
• NVD entry