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CVE-2026-27646

21
FAUCET Score

CVE-2026-27646 is a high-severity sandbox escape vulnerability impacting OpenClaw versions prior to 2026.3.7. It allows authorized sandboxed sessions to bypass restrictions and initialize host-side ACP runtime by invoking the /acp spawn command, leading to high confidentiality and integrity impacts. Rated with a CVSS score of 7.1, this vulnerability has a local attack vector, low attack complexity, and requires low privileges, but no user interaction. There is currently no evidence of active exploitation, public exploit code availability (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. This CVE is not listed in CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 2026.3.7CPE match
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
< 2026.3.7CPE matchmatch criteria
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

5.8MEDIUM

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
1.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 5th percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: openclawFixed in: 2026.3.7

Vendor Advisories (1)

npmGHSA-9q36-67vc-rrwgmedium

OpenClaw: Sandboxed /acp spawn requests could initialize host ACP sessions

Mar 9, 2026

References

github.com / openclaw/openclaw/commit/61000b8e4ded919ca1a825d4700db4cb3fdc56e3
Patch
github.com / openclaw/openclaw/security/advisories/GHSA-9q36-67vc-rrwg
Vendor Advisory
vulncheck.com / advisories/openclaw-mar-sandbox-escape-via-acp-spawn-command
Third Party Advisory