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vuln-cve/data/2026/63xxx/CVE-2026-63004.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-63004",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-07-14T23:10:57.032Z",
"datePublished": "2026-08-21T18:05:20.458Z",
"dateUpdated": "2026-08-21T19:22:22.158Z"
},
"containers": {
"cna": {
"title": "Unleash: Addon webhook URL is dialed server-side with no internal-address filtering, enabling SSRF to internal services / cloud metadata and exfiltration of configured request headers",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"lang": "en",
"description": "CWE-918: Server-Side Request Forgery (SSRF)",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/Unleash/unleash/security/advisories/GHSA-5vf6-jrqr-78fj",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/Unleash/unleash/security/advisories/GHSA-5vf6-jrqr-78fj"
},
{
"name": "https://github.com/Unleash/unleash/commit/2100db76af3473f13e6fb40096cf17a9c2b741a1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/commit/2100db76af3473f13e6fb40096cf17a9c2b741a1"
},
{
"name": "https://github.com/Unleash/unleash/commit/d45f99df924c0d24747b3e45e46fcda7dcd3c1c1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/commit/d45f99df924c0d24747b3e45e46fcda7dcd3c1c1"
},
{
"name": "https://github.com/Unleash/unleash/commit/d862562a5ab8f2d1e40f6519c64cf0b4fdaf806d",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/commit/d862562a5ab8f2d1e40f6519c64cf0b4fdaf806d"
},
{
"name": "https://github.com/Unleash/unleash/releases/tag/v7.5.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/releases/tag/v7.5.2"
},
{
"name": "https://github.com/Unleash/unleash/releases/tag/v7.6.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/releases/tag/v7.6.5"
},
{
"name": "https://github.com/Unleash/unleash/releases/tag/v8.0.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Unleash/unleash/releases/tag/v8.0.2"
}
],
"affected": [
{
"vendor": "Unleash",
"product": "unleash",
"versions": [
{
"version": "< 7.5.2",
"status": "affected"
},
{
"version": ">= 7.6.0, < 7.6.5",
"status": "affected"
},
{
"version": ">= 8.0.0, < 8.0.2",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-21T18:05:20.458Z"
},
"descriptions": [
{
"lang": "en",
"value": "Unleash is an open-source feature management platform. Prior to 7.5.2, 7.6.5, and 8.0.2, the addon and integration subsystem passes the operator-controlled parameters.url value from src/lib/addons/webhook.ts and the Slack, Microsoft Teams, Datadog, and New Relic integrations to Addon.fetchRetry in src/lib/addons/addon.ts without restricting loopback, link-local, private, or cloud metadata addresses. An authenticated actor with the root CREATE_ADDON or UPDATE_ADDON permission can cause the server to send requests from inside its network boundary, use integration event status as a blind probing oracle, forward Authorization, customHeaders, or DD-API-KEY values to an attacker-observed host, and deliver the feature-event JSON body to internal services. This issue is fixed in versions 7.5.2, 7.6.5, and 8.0.2."
}
],
"source": {
"advisory": "GHSA-5vf6-jrqr-78fj",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/Unleash/unleash/security/advisories/GHSA-5vf6-jrqr-78fj",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-21T19:22:12.627244Z",
"id": "CVE-2026-63004",
"options": [
{
"Exploitation": "poc"
},
{
"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": "2026-08-21T19:22:22.158Z"
}
}
]
}
}