CVE-2026-4810 json
Remote Code Execution in Google Agent Development Kit (ADK)
published 2026-04-13 6 mo ago modified 2026-10-26 13 d ago also GHSA-rg7c-g689-fr3x , PYSEC-2026-344 , EUVD-2026-21900
- cvss
- 9.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
- pypi google-adk 1.28.1, 2.0.0a2
- Google Cloud Agent Development Kit (ADK) 1.28.1, 2.0.0a2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 6 mo ago
Exploit prediction
1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Google ADK-Python - Unauthenticated Builder Endpoint nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | 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:Amber |
| CNA | 4.0 | 9.3 | 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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | google-adk | >=1.7.0, <1.28.1 >=2.0.0a1, <2.0.0a2 |
1.28.1 2.0.0a2 |
Affected products
- Google Cloud Agent Development Kit (ADK)
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
Sources
- CVE List CVE-2026-4810
- GitHub Advisory GHSA-rg7c-g689-fr3x
- NVD CVE-2026-4810
- OSV PYSEC-2026-344
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