How severe is CVE-2026-81375?

CVE-2026-81375 has a CVSS 4.0 base score of 8.3, rated high severity.

Is CVE-2026-81375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-81375?

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.

When was CVE-2026-81375 published?

CVE-2026-81375 was published on 2026-09-28 and last updated on 2026-09-29.

CVE-2026-81375

CVE-2026-81375 is a high-severity vulnerability with a CVSS 4.0 base score of 8.3. 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-610.

Key facts

Severity: High (CVSS 4.0 base score 8.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-610
Published: 2026-09-28
Last modified: 2026-09-29

Description

A Confused Deputy vulnerability in the EmailTask component in Google Cloud Application Integration versions prior to 2026-06-30 on Google Cloud Platform allows an authenticated attacker to read and exfiltrate arbitrary Google-internal files via a crafted attachment file path. This vulnerability was patched on 30 June 2026, and no customer action is needed.

Frequently asked questions

What is CVE-2026-81375?: A Confused Deputy vulnerability in the EmailTask component in Google Cloud Application Integration versions prior to 2026-06-30 on Google Cloud Platform allows an authenticated attacker to read and exfiltrate arbitrary Google-internal files via a crafted attachment file path. This vulnerability was patched on 30 June 2026, and no customer action is needed.
How severe is CVE-2026-81375?: CVE-2026-81375 has a CVSS 4.0 base score of 8.3, rated high severity.
Is CVE-2026-81375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-81375?: 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.
When was CVE-2026-81375 published?: CVE-2026-81375 was published on 2026-09-28 and last updated on 2026-09-29.

References

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