Remote Code Execution in Google Agent Development Kit (ADK)
Summary
| CVE | CVE-2026-4810 |
|---|---|
| State | PUBLISHED |
| Assigner | GoogleCloud |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-13 09:16:08 UTC |
| Updated | 2026-04-13 15:01:43 UTC |
| Description | A Code Injection and Missing Authentication vulnerability in Google Agent Development Kit (ADK) versions 1.7.0 (and 2.0.0a1) through 1.28.1 (and 2.0.0a2) on Python (OSS), Cloud Run, and GKE allows an unauthenticated remote attacker to execute arbitrary code on the server hosting the ADK instance. This vulnerability was patched in versions 1.28.1 and 2.0.0a2. Customers need to redeploy the upgraded ADK to their production environments. In addition, if they are running ADK Web locally, they also need to upgrade their local instance. |
Risk And Classification
Primary CVSS: v4.0 9.3 CRITICAL from f45cbf4e-4146-4068-b7e1-655ffc2c548c
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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:Amber
EPSS: 0.002950000 probability, percentile 0.528740000 (date 2026-04-15)
Problem Types: CWE-306 | CWE-306 CWE-306 Missing authentication for critical function
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | f45cbf4e-4146-4068-b7e1-655ffc2c548c | Secondary | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/C... |
| 4.0 | CNA | CVSS | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U... |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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:Amber
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Google Cloud | Agent Development Kit ADK | affected 1.7.0 1.28.1 custom | Not specified |
| CNA | Google Cloud | Agent Development Kit ADK | affected 2.0.0a1 2.0.0a2 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/google/adk-python/blob/main/CHANGELOG.md | f45cbf4e-4146-4068-b7e1-655ffc2c548c | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Yoshizawa (en)
Additional Advisory Data
Solutions
CNA: Customers need to redeploy the ADK to version 1.28.1 (or 2.0.0a2) or later to receive the fix on their production environments. In addition, if they are running ADK Web locally, they also need to upgrade their local instance.