# CVE-2026-81867: Deserialization of Untrusted Data in Application Integration allows Remote Code Execution

> CVE-2026-81867: Deserialization of Untrusted Data in Application Integration allows Remote Code Execution. CVSS 9.4 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-81867
Last updated: 2026-09-30T14:17:30Z

- Published: 2026-09-28 10:49 UTC · Updated: 2026-09-30 14:17 UTC · Assigner: GoogleCloud
- CVSS: 9.4 (CVSS 4.0) · Severity: Critical
- EPSS: 0.36%, 29th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-502

## Description

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.

## Affected vendors and products

- Google Cloud: Application Integration

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-81867)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-81867)
- [https://docs.cloud.google.com/application-integration/docs/security-bulletins\#gcp-2026-065](https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-065)
- [https://docs.cloud.google.com/support/bulletins\#gcp-2026-065](https://docs.cloud.google.com/support/bulletins#gcp-2026-065)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-81867 · Markdown: https://rewindex.com/cve/CVE-2026-81867.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-81867 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:58.911Z