How severe is CVE-2026-44995?

CVE-2026-44995 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44995 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44995?

CVE-2026-44995 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44995?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-44995 have an EU (EUVD) identifier?

Yes. CVE-2026-44995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29140.

When was CVE-2026-44995 published?

CVE-2026-44995 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-44995

CVE-2026-44995 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-829.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v4: 5.4
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29140
Weakness: CWE-829
Affected product: Openclaw
Published: 2026-05-11
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODE_OPTIONS, LD_PRELOAD, or BASH_ENV to spawned MCP server processes, enabling code injection when operators start sessions using those servers.

Frequently asked questions

What is CVE-2026-44995?: OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODE_OPTIONS, LD_PRELOAD, or BASH_ENV to spawned MCP server processes, enabling code injection when operators start sessions using those servers.
How severe is CVE-2026-44995?: CVE-2026-44995 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44995 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44995?: CVE-2026-44995 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44995?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-44995 have an EU (EUVD) identifier?: Yes. CVE-2026-44995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29140.
When was CVE-2026-44995 published?: CVE-2026-44995 was published on 2026-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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