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2 vulnerabilities found for Agent Development Kit (ADK) for Java by Google
CVE-2026-107858 (GCVE-0-2026-107858)
Vulnerability from nvd – Published: 2026-10-23 05:08 – Updated: 2026-10-23 05:08
VLAI
EPSS
VEX
Title
Cross-Site WebSocket Hijacking and Permissive CORS in Google Agent Development Kit (ADK) for Java Development Server
Summary
Missing Origin Validation in WebSockets (CWE-1385) and Permissive Cross-domain Policy with Untrusted Domains (CWE-942) in the development web server (ADK Web) in Google Agent Development Kit (ADK) for Java (com.google.adk:google-adk-dev versions 0.1.0 before 1.13.0 and com.google.adk:google-adk-maven-plugin versions 0.3.0 before 1.13.0) allow a remote attacker to control a locally running agent and read its data via a malicious web page visited by a developer while the server is running. The /run_live WebSocket endpoint accepts connections from any origin by default (hardcoded via setAllowedOrigins("*") in versions 0.1.0 through 1.5.0, and defaulting to * via adk.web.cors.origins in versions 1.6.0 through 1.12.0), and since version 0.4.0 the REST API returns Access-Control-Allow-Origin: * by default. Because the server has no authentication and requests originate from the developer's browser (so binding to localhost does not prevent exploitation), a cross-origin page can send messages to the agent (triggering registered tools), stream agent responses, and list, read, create, or delete sessions and artifacts. In versions 1.6.0 through 1.12.0, users can mitigate the issue by setting the adk.web.cors.origins property to an explicit allowlist of trusted origins (such as http://localhost:8000). The vulnerability is fixed in version 1.13.0, which enforces a same-origin default for CORS and the /run_live WebSocket endpoint, and rejects DNS-rebinding requests over loopback.
Severity
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/google/adk-java/issues/1257 | issue-trackingexploit |
| https://github.com/google/adk-java/releases/tag/v1.13.0 | release-notes |
| https://github.com/google/adk-java/commit/5667d38… | patch |
| https://github.com/google/adk-java/commit/1ae5078… | patch |
| https://github.com/google/adk-java/pull/1222 | mitigationpatch |
| https://github.com/google/adk-java/commit/c2b087c… | mitigationpatch |
| https://github.com/google/adk-java/releases/tag/v1.6.0 | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Agent Development Kit (ADK) for Java |
Affected:
0.1.0 , < 1.13.0
(semver)
|
||
| Agent Development Kit (ADK) for Java |
Affected:
0.3.0 , < 1.13.0
(semver)
|
Date Public
2026-06-11 10:31
{
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"descriptions": [
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}
]
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"metrics": [
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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},
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]
},
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],
"providerMetadata": {
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"datePublished": "2026-10-23T05:08:46.087Z",
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CVE-2026-107858 (GCVE-0-2026-107858)
Vulnerability from cvelistv5 – Published: 2026-10-23 05:08 – Updated: 2026-10-23 05:08
VLAI
EPSS
VEX
Title
Cross-Site WebSocket Hijacking and Permissive CORS in Google Agent Development Kit (ADK) for Java Development Server
Summary
Missing Origin Validation in WebSockets (CWE-1385) and Permissive Cross-domain Policy with Untrusted Domains (CWE-942) in the development web server (ADK Web) in Google Agent Development Kit (ADK) for Java (com.google.adk:google-adk-dev versions 0.1.0 before 1.13.0 and com.google.adk:google-adk-maven-plugin versions 0.3.0 before 1.13.0) allow a remote attacker to control a locally running agent and read its data via a malicious web page visited by a developer while the server is running. The /run_live WebSocket endpoint accepts connections from any origin by default (hardcoded via setAllowedOrigins("*") in versions 0.1.0 through 1.5.0, and defaulting to * via adk.web.cors.origins in versions 1.6.0 through 1.12.0), and since version 0.4.0 the REST API returns Access-Control-Allow-Origin: * by default. Because the server has no authentication and requests originate from the developer's browser (so binding to localhost does not prevent exploitation), a cross-origin page can send messages to the agent (triggering registered tools), stream agent responses, and list, read, create, or delete sessions and artifacts. In versions 1.6.0 through 1.12.0, users can mitigate the issue by setting the adk.web.cors.origins property to an explicit allowlist of trusted origins (such as http://localhost:8000). The vulnerability is fixed in version 1.13.0, which enforces a same-origin default for CORS and the /run_live WebSocket endpoint, and rejects DNS-rebinding requests over loopback.
Severity
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/google/adk-java/issues/1257 | issue-trackingexploit |
| https://github.com/google/adk-java/releases/tag/v1.13.0 | release-notes |
| https://github.com/google/adk-java/commit/5667d38… | patch |
| https://github.com/google/adk-java/commit/1ae5078… | patch |
| https://github.com/google/adk-java/pull/1222 | mitigationpatch |
| https://github.com/google/adk-java/commit/c2b087c… | mitigationpatch |
| https://github.com/google/adk-java/releases/tag/v1.6.0 | release-notes |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Agent Development Kit (ADK) for Java |
Affected:
0.1.0 , < 1.13.0
(semver)
|
||
| Agent Development Kit (ADK) for Java |
Affected:
0.3.0 , < 1.13.0
(semver)
|
Date Public
2026-06-11 10:31
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"containers": {
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"affected": [
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"repo": "https://github.com/google/adk-java",
"vendor": "Google",
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"status": "affected",
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},
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}
],
"datePublic": "2026-06-11T10:31:00.000Z",
"descriptions": [
{
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"value": "\u003cp\u003eMissing Origin Validation in WebSockets (CWE-1385) and Permissive Cross-domain Policy with Untrusted Domains (CWE-942) in the development web server (ADK Web) in Google Agent Development Kit (ADK) for Java (\u003ccode\u003ecom.google.adk:google-adk-dev\u003c/code\u003e versions 0.1.0 before 1.13.0 and \u003ccode\u003ecom.google.adk:google-adk-maven-plugin\u003c/code\u003e versions 0.3.0 before 1.13.0) allow a remote attacker to control a locally running agent and read its data via a malicious web page visited by a developer while the server is running. The \u003ccode\u003e/run_live\u003c/code\u003e WebSocket endpoint accepts connections from any origin by default (hardcoded via \u003ccode\u003esetAllowedOrigins(\"*\")\u003c/code\u003e in versions 0.1.0 through 1.5.0, and defaulting to \u003ccode\u003e*\u003c/code\u003e via \u003ccode\u003eadk.web.cors.origins\u003c/code\u003e in versions 1.6.0 through 1.12.0), and since version 0.4.0 the REST API returns \u003ccode\u003eAccess-Control-Allow-Origin: *\u003c/code\u003e by default. Because the server has no authentication and requests originate from the developer\u0027s browser (so binding to localhost does not prevent exploitation), a cross-origin page can send messages to the agent (triggering registered tools), stream agent responses, and list, read, create, or delete sessions and artifacts. In versions 1.6.0 through 1.12.0, users can mitigate the issue by setting the \u003ccode\u003eadk.web.cors.origins\u003c/code\u003e property to an explicit allowlist of trusted origins (such as \u003ccode\u003ehttp://localhost:8000\u003c/code\u003e). The vulnerability is fixed in version 1.13.0, which enforces a same-origin default for CORS and the \u003ccode\u003e/run_live\u003c/code\u003e WebSocket endpoint, and rejects DNS-rebinding requests over loopback.\u003c/p\u003e"
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],
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},
{
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"type": "CWE"
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"url": "https://github.com/google/adk-java/releases/tag/v1.13.0"
},
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},
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},
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}
],
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}
],
"source": {
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"title": "Cross-Site WebSocket Hijacking and Permissive CORS in Google Agent Development Kit (ADK) for Java Development Server",
"workarounds": [
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"lang": "en",
"supportingMedia": [
{
"base64": false,
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}
],
"value": "For versions 1.6.0 through 1.12.0, configure the adk.web.cors.origins property to an explicit allowlist of trusted origins (for example, http://localhost:8000) to restrict both the REST API and the /run_live WebSocket endpoint."
}
],
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
"assignerShortName": "Google",
"cveId": "CVE-2026-107858",
"datePublished": "2026-10-23T05:08:46.087Z",
"dateReserved": "2026-10-08T22:58:19.162Z",
"dateUpdated": "2026-10-23T05:08:46.087Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}