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CVE-2026-79696: Remote Code Execution in Google ADK for Python via Incomplete Standard Library Denylist

• Severity: critical (CVSS 10.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-09 · updated 2026-09-09
• Weakness: CWE-184

Description

A Code Injection vulnerability in adk web in Google Cloud Agent Development Kit (ADK) for Python versions 2.0.0 through 2.6.0 on Python (OSS), Cloud Run, and GKE environments where pytest is installed allows an unauthenticated remote attacker to execute arbitrary code using a crafted test session replay.

Affected products

• Google Cloud Agent Development Kit (ADK) for Python: from 2.0.0 before 2.7.0 — fixed in 2.7.0

How to fix

Upgrade to a fixed version: Google Cloud Agent Development Kit (ADK) for Python 2.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/google/adk-python/commit/a16f6da3314b8dcd9925884cd6fc7fc9ffdd570d
• https://github.com/google/adk-python/releases/tag/v2.7.0

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