How severe is CVE-2026-2244?

CVE-2026-2244 has a CVSS 4.0 base score of 8.4, rated high severity.

Is CVE-2026-2244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2244?

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-2026-2244 have an EU (EUVD) identifier?

Yes. CVE-2026-2244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8853.

When was CVE-2026-2244 published?

CVE-2026-2244 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-2244

CVE-2026-2244 is a high-severity vulnerability with a CVSS 4.0 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-200.

Key facts

Severity: High (CVSS 4.0 base score 8.4)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8853
Weakness: CWE-200
Published: 2026-02-26
Last modified: 2026-06-17

Description

A vulnerability in Google Cloud Vertex AI Workbench from 7/21/2025 to 01/30/2026 allows an attacker to exfiltrate valid Google Cloud access tokens of other users via abuse of a built-in startup script. All instances after January 30th, 2026 have been patched to protect from this vulnerability. No user action is required for this.

Frequently asked questions

What is CVE-2026-2244?: A vulnerability in Google Cloud Vertex AI Workbench from 7/21/2025 to 01/30/2026 allows an attacker to exfiltrate valid Google Cloud access tokens of other users via abuse of a built-in startup script. All instances after January 30th, 2026 have been patched to protect from this vulnerability. No user action is required for this.
How severe is CVE-2026-2244?: CVE-2026-2244 has a CVSS 4.0 base score of 8.4, rated high severity.
Is CVE-2026-2244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2244?: 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-2026-2244 have an EU (EUVD) identifier?: Yes. CVE-2026-2244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8853.
When was CVE-2026-2244 published?: CVE-2026-2244 was published on 2026-02-26 and last updated on 2026-06-17.

References

https://docs.cloud.google.com/vertex-ai/docs/workbench/release-notes#February_20_2026

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