How severe is CVE-2026-41299?

CVE-2026-41299 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-41299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41299?

CVE-2026-41299 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41299?

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-2026-41299 have an EU (EUVD) identifier?

Yes. CVE-2026-41299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24006.

When was CVE-2026-41299 published?

CVE-2026-41299 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-41299

CVE-2026-41299 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.1. 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-807.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 7.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24006
Weakness: CWE-807
Affected product: Openclaw
Published: 2026-04-21
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the chat.send gateway method where ACP-only provenance fields are gated by self-declared client metadata from WebSocket handshake rather than verified authorization state. Authenticated operator clients can spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge by manipulating client metadata during connection.

Frequently asked questions

What is CVE-2026-41299?: OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the chat.send gateway method where ACP-only provenance fields are gated by self-declared client metadata from WebSocket handshake rather than verified authorization state. Authenticated operator clients can spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge by manipulating client metadata during connection.
How severe is CVE-2026-41299?: CVE-2026-41299 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-41299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41299?: CVE-2026-41299 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41299?: 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-2026-41299 have an EU (EUVD) identifier?: Yes. CVE-2026-41299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24006.
When was CVE-2026-41299 published?: CVE-2026-41299 was published on 2026-04-21 and last updated on 2026-06-17.

References

Affected products (1)

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

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