CVE-2026-93327 Google Cloud Application Integration - Insecure Deserialization

Google Cloud Application Integration < 2026-09-11 contains an insecure deserialization vulnerability in SubWorkflow task, letting authenticated attackers execute arbitrary code using malicious serialized objects.

CVSS base score 9.4 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-502

Vendor fix

Update to version 2026-09-11 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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