CVE-2026-28485

CVE-2026-28485 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.4. 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-306.

Key facts

Description

OpenClaw versions 2026.1.5 prior to 2026.2.12 fail to enforce mandatory authentication on the /agent/act browser-control HTTP route, allowing unauthorized local callers to invoke privileged operations. Remote attackers on the local network or local processes can execute arbitrary browser-context actions and access sensitive in-session data by sending requests to unauthenticated endpoints.

Frequently asked questions

What is CVE-2026-28485?
OpenClaw versions 2026.1.5 prior to 2026.2.12 fail to enforce mandatory authentication on the /agent/act browser-control HTTP route, allowing unauthorized local callers to invoke privileged operations. Remote attackers on the local network or local processes can execute arbitrary browser-context actions and access sensitive in-session data by sending requests to unauthenticated endpoints.
How severe is CVE-2026-28485?
CVE-2026-28485 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28485 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-2026-28485?
CVE-2026-28485 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28485?
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-2026-28485 have an EU (EUVD) identifier?
Yes. CVE-2026-28485 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9930.
When was CVE-2026-28485 published?
CVE-2026-28485 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

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