How severe is CVE-2026-35622?

CVE-2026-35622 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-35622 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35622?

CVE-2026-35622 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35622?

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

Does CVE-2026-35622 have an EU (EUVD) identifier?

Yes. CVE-2026-35622 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21104.

When was CVE-2026-35622 published?

CVE-2026-35622 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-35622

CVE-2026-35622 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: 6.0
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21104
Weakness: CWE-290
Affected product: Openclaw
Published: 2026-04-09
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authentication by providing non-deployment add-on principals to execute unauthorized actions through the Google Chat integration.

Frequently asked questions

What is CVE-2026-35622?: OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authentication by providing non-deployment add-on principals to execute unauthorized actions through the Google Chat integration.
How severe is CVE-2026-35622?: CVE-2026-35622 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-35622 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35622?: CVE-2026-35622 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35622?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35622 have an EU (EUVD) identifier?: Yes. CVE-2026-35622 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21104.
When was CVE-2026-35622 published?: CVE-2026-35622 was published on 2026-04-09 and last updated on 2026-06-17.

References

Affected products (1)

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

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