CVE-2026-44118

CVE Enrichment

CVSS: 8.5 HIGH
EPSS: 0.14%
EPSS Percentile: 2.93%
CISA KEV: Not listed

Description

OpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 07-May-2026 03:16
Last Modified: 17-Jun-2026 17:50
EPSS Date: 2026-11-02
CWE: CWE-290

CVSS Vector


            CVSS:4.0                            AV:L /
                            AC:L /
                            AT:N /
                            PR:L /
                            UI:N /
                            VC:H /
                            VI:H /
                            VA:H /
                            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 Products / Versions

openclaw / openclaw Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 2026.4.22
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

References

Last enrichment sync: 03-Nov-2026 12:04
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

Next, the attacker can exploit an MCP loopback flaw (CVE-2026-44118) to manipulate the unverified ownership flag and elevate their privileges to owner-level. The attacker gains access to critical management functions, Cyera Details Four OpenClaw Flaws That Can Enable Sandbox Escape and Backdoors
#ClawChain Four OpenClaw Flaws Could Enable Data Theft, Privilege Escalation and Persistence

CVE (3)

People (1)

MITRE ATT&CK (3)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.