196 lines
7.6 KiB
JSON
196 lines
7.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-77073",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-08-20T10:51:39.783Z",
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"datePublished": "2026-08-20T11:21:08.265Z",
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"dateUpdated": "2026-08-25T14:27:51.234Z"
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},
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"dateUpdated": "2026-08-21T11:21:16.910Z"
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},
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"datePublic": "2026-08-05T00:00:00.000Z",
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"title": "n8n before 2.34.1 Cross-Project Credential Access via MCP",
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"descriptions": [
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{
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"lang": "en",
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"value": "n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references on workflows in different projects."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Authorization Bypass Through User-Controlled Key",
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"cweId": "CWE-639",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "n8n-io",
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"product": "n8n",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/n8n",
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"versions": [
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{
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"version": "2.34.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "2.34.1"
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},
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{
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"version": "2.34.1",
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"status": "unaffected",
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}
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]
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},
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{
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"vendor": "n8n-io",
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"versions": [
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{
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"version": "2.0.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "2.33.4"
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},
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{
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"version": "2.33.4",
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"status": "unaffected",
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"versionType": "semver"
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}
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]
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}
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"cpeApplicability": [
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"operator": "OR",
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"versionEndExcluding": "2.34.1"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "LOW",
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"subAvailabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-vfrj-582q-mvcp",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-vfrj-582q-mvcp)"
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},
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{
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"name": "VulnCheck Advisory: n8n before 2.34.1 Cross-Project Credential Access via MCP",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/n8n-before-cross-project-credential-access-via-mcp"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "vonypeto",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-25T14:27:36.907977Z",
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"id": "CVE-2026-77073",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-25T14:27:51.234Z"
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}
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}
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]
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}
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} |