196 lines
7.9 KiB
JSON
196 lines
7.9 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-2026-56357",
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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": "2026-06-20T21:16:53.711Z",
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"datePublished": "2026-06-22T21:04:52.333Z",
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"dateUpdated": "2026-06-23T14:25:03.009Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-06-22T21:04:52.333Z"
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},
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"datePublic": "2026-02-25T00:00:00.000Z",
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"title": "n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger",
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"descriptions": [
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{
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"lang": "en",
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"value": "n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhook events."
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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": "Authentication Bypass by Spoofing",
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"cweId": "CWE-290",
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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",
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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": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "1.123.15"
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},
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{
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"version": "1.123.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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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": "2.5.0"
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},
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{
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"version": "2.5.0",
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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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],
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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:P/PR:N/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": "PRESENT",
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"privilegesRequired": "NONE",
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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": 6.3,
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 4,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
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"version": "3.1"
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},
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"format": "CVSS"
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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-mqpr-49jj-32rc",
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"name": "GitHub Security Advisory (GHSA-mqpr-49jj-32rc)",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"name": "VulnCheck Advisory: n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger",
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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-webhook-forgery-via-missing-hmac-sha256-signature-verification-in-github-webhook-trigger"
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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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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*",
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"versionEndExcluding": "1.123.15"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*",
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"versionStartIncluding": "2.0.0",
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"versionEndExcluding": "2.5.0"
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}
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]
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}
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]
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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": "simonkoeck",
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"type": "reporter"
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}
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]
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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": "2026-06-23T14:24:49.624521Z",
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"id": "CVE-2026-56357",
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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": "no"
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},
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{
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"Technical Impact": "partial"
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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": "2026-06-23T14:25:03.009Z"
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}
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}
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]
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}
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} |