Is CVE-2026-8305 in the CISA KEV catalog?

No. CVE-2026-8305 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-8305?

CVE-2026-8305 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-8305?

CVE-2026-8305 has an EPSS score of 0.64% (46th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-8305

HIGH

7.3

CVSS v3

NVD

Description

A vulnerability was detected in OpenClaw up to 2026.1.24. The impacted element is the function handleBlueBubblesWebhookRequest of the file extensions/bluebubbles/src/monitor.ts of the component bluebubbles Webhook. Performing a manipulation results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2026.2.12 is sufficient to resolve this issue. The patch is named a6653be0265f1f02b9de46c06f52ea7c81a836e6. The affected component should be upgraded.

CWE-287Improper Authentication

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

0.64%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-16.