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vuln-cve/data/2026/55xxx/CVE-2026-55429.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-55429",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-16T21:59:57.017Z",
"datePublished": "2026-07-08T00:00:33.785Z",
"dateUpdated": "2026-07-08T14:41:39.988Z"
},
"containers": {
"cna": {
"title": "Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"lang": "en",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/coder/coder/security/advisories/GHSA-9rjw-3gwp-f59v",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/coder/coder/security/advisories/GHSA-9rjw-3gwp-f59v"
},
{
"name": "https://github.com/coder/coder/pull/26103",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/coder/coder/pull/26103"
},
{
"name": "https://github.com/coder/coder/releases/tag/v2.29.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/coder/coder/releases/tag/v2.29.17"
},
{
"name": "https://github.com/coder/coder/releases/tag/v2.32.7",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/coder/coder/releases/tag/v2.32.7"
},
{
"name": "https://github.com/coder/coder/releases/tag/v2.33.8",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/coder/coder/releases/tag/v2.33.8"
},
{
"name": "https://github.com/coder/coder/releases/tag/v2.34.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/coder/coder/releases/tag/v2.34.2"
}
],
"affected": [
{
"vendor": "coder",
"product": "coder",
"versions": [
{
"version": ">= 2.34.0, < 2.34.2",
"status": "affected"
},
{
"version": ">= 2.33.0, < 2.33.8",
"status": "affected"
},
{
"version": ">= 2.30.0, < 2.32.7",
"status": "affected"
},
{
"version": "< 2.29.17",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-08T00:00:33.785Z"
},
"descriptions": [
{
"lang": "en",
"value": "Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, `UpsertWorkspaceApp` overwrites an existing app's `agent_id` on a primary-key conflict and `insertAgentApp` accepts the app ID from the provisioner's `CompleteJob` payload without verifying it belongs to the workspace being built. `CompleteJob` runs under `dbauthz.AsProvisionerd` so the authorization layer does not block the cross-workspace upsert. Exploitation requires elevated access as a template author or external provisioner operator. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 verifies that any existing `workspace_apps` row matching the supplied ID belongs to the workspace being built and rejects cross-workspace agent reassignment. No known workarounds are available."
}
],
"source": {
"advisory": "GHSA-9rjw-3gwp-f59v",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-08T14:41:33.806014Z",
"id": "CVE-2026-55429",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-08T14:41:39.988Z"
}
}
]
}
}