How severe is CVE-2026-28465?

CVE-2026-28465 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-28465 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28465?

CVE-2026-28465 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28465?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28465 have an EU (EUVD) identifier?

Yes. CVE-2026-28465 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9911.

When was CVE-2026-28465 published?

CVE-2026-28465 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-28465

CVE-2026-28465 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.9. 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-290.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 8.2
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9911
Weakness: CWE-290
Affected product: Openclaw
Published: 2026-03-05
Last modified: 2026-06-17

Description

OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untrusted forwarded headers. Attackers can spoof webhook events by manipulating Forwarded or X-Forwarded-* headers in reverse-proxy configurations that implicitly trust these headers.

Frequently asked questions

What is CVE-2026-28465?: OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untrusted forwarded headers. Attackers can spoof webhook events by manipulating Forwarded or X-Forwarded-* headers in reverse-proxy configurations that implicitly trust these headers.
How severe is CVE-2026-28465?: CVE-2026-28465 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-28465 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28465?: CVE-2026-28465 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28465?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28465 have an EU (EUVD) identifier?: Yes. CVE-2026-28465 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9911.
When was CVE-2026-28465 published?: CVE-2026-28465 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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