CVE-2026-81867CWE-502insecure-deserialization

CVE-2026-81867

published September 28, 2026

CVSS
9.4
EPSS
0%
Percentile
28.0
In the wild
Unconfirmed
What it is

A Deserialization of Untrusted Data vulnerability in the JavaScript Task in Google Cloud Application Integration versions prior to 2026-06-28 on Google Cloud Platform allows an authenticated user with standard permissions to run arbitrary code on the shared production servers using a specially crafted script bypassing param guards.

This vulnerability was patched on 28 June 2026, and no customer action is needed.

The record
Technical detail
CVSS
9.4 · NONE
CVSS v4.0
9.4 · 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/U:Clear
EPSS
0.00355 · 28.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-28T15:16Z
References (2)
https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-065 · f45cbf4e-4146-4068-b7e1-655ffc2c548chttps://docs.cloud.google.com/support/bulletins#gcp-2026-065 · f45cbf4e-4146-4068-b7e1-655ffc2c548c
EPSS history
Timeline
  • 30 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 28 SEP 10:49Z
    Deserialization of Untrusted Data in Application Integration allows Remote Code Execution
    cvelistv5