CVE-2026-85298Network attack vector

Authenticated privilege escalation via service-account impersonation

Published Oct 14, 2026 · Updated Oct 14, 2026

Google Cloud Application Integration before 2026-08-27 lets remote authenticated users impersonate service accounts via authorization flaws. The affected loci are AuthConfig validation and the integration execution runtime; Google has not disclosed the failed permission check or triggering input. Exploitation requires authenticated access and enables impersonation of a service account in the same project; the required role and additional execution conditions are undisclosed.

CVSS severity7.3
High
EPSS probability0.36%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Google Cloud Application Integration before 2026-08-27 lets remote authenticated users impersonate service accounts via authorization flaws. The affected loci are AuthConfig validation and the integration execution runtime; Google has not disclosed the failed permission check or triggering input. Exploitation requires authenticated access and enables impersonation of a service account in the same project; the required role and additional execution conditions are undisclosed.

The record

CVE
CVE-2026-85298
Published
Oct 14, 2026
Updated
Oct 14, 2026
Vendor
Google Cloud
Product
Application Integration
Classifications
CWE-863, CAPEC-1, T1068
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2026-08-27

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Google Cloud · Application Integrationversion=0 <2026-08-27

Published CVSS scores

7.3Google CloudCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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