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vuln-cve/data/2026/125xxx/CVE-2026-125331.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-125331",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-11-09T21:22:55.598Z",
"datePublished": "2026-11-10T18:38:44.546Z",
"dateUpdated": "2026-11-12T18:02:28.023Z"
},
"containers": {
"cna": {
"title": "HarnessRouter: Service-only routes that write an organization's provider connections could be reached through a multi-tenant console with a made-up bearer",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"lang": "en",
"description": "CWE-862: Missing Authorization",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-863",
"lang": "en",
"description": "CWE-863: Incorrect Authorization",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-p6cq-54cg-8mpv",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-p6cq-54cg-8mpv"
},
{
"name": "https://github.com/HarnessRouter/harnessrouter/pull/418",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/HarnessRouter/harnessrouter/pull/418"
},
{
"name": "https://github.com/HarnessRouter/harnessrouter/commit/28609ec65ed671112d7e5418926bbd3cb3b25c00",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/HarnessRouter/harnessrouter/commit/28609ec65ed671112d7e5418926bbd3cb3b25c00"
},
{
"name": "https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.8",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.8"
}
],
"affected": [
{
"vendor": "HarnessRouter",
"product": "harnessrouter",
"versions": [
{
"version": "< 0.31.8",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-11-10T18:38:44.546Z"
},
"descriptions": [
{
"lang": "en",
"value": "HarnessRouter is a self-hosted unified API for running agent harnesses with sessions, streaming, files, cancellation, and failure handling. Prior to 0.31.8, a console that is not in self-hosted mode attaches the server's internal key to requests carrying an Authorization header before validating the bearer, while the service-only PUT and GET /v1/orgs/{org}/connections/{name}, PUT /v1/orgs/{org}/policy/{backend}, and /internal/* routes trust that key and take the organization from the URL. In a multi-organization deployment, a remote caller can use a made-up bearer to rewrite another organization's provider connection to an attacker-controlled endpoint, causing later prompts to be disclosed and attacker-controlled responses to influence tasks. This issue is fixed in version 0.31.8."
}
],
"source": {
"advisory": "GHSA-p6cq-54cg-8mpv",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-12T16:53:22.134138Z",
"id": "CVE-2026-125331",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-12T18:02:28.023Z"
}
}
]
}
}