126 lines
5.3 KiB
JSON
126 lines
5.3 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-2026-41896",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-22T15:11:54.671Z",
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"datePublished": "2026-06-29T20:16:50.951Z",
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"dateUpdated": "2026-06-30T12:55:50.036Z"
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},
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"containers": {
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"cna": {
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"title": "Coolify: Unauthenticated Deployment Trigger via Webhook HMAC Bypass with Null Secret",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-287",
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"lang": "en",
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"description": "CWE-287: Improper Authentication",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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"version": "3.1"
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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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"name": "https://github.com/coollabsio/coolify/security/advisories/GHSA-w8wm-r924-f65v",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/coollabsio/coolify/security/advisories/GHSA-w8wm-r924-f65v"
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}
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],
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"affected": [
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{
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"vendor": "coollabsio",
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"product": "coolify",
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"versions": [
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{
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"version": "< 4.0.0-beta.474",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-06-29T20:16:50.951Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, the HMAC key is the application's manual_webhook_secret_github field, which is used by Coolify's webhook endpoints to validate incoming requests, is nullable with no default — meaning newly created applications have a null webhook secret. PHP's hash_hmac() function silently coerces a null key to an empty string ''. So when the secret is null, the server computes hash_hmac('sha256', $payload, '') — a deterministic value that any attacker can calculate independently. By sending X-Hub-Signature-256: sha256=<hash_hmac('sha256', payload, '')>, an unauthenticated attacker can forge a valid signature and trigger deployments. This vulnerability is fixed in 4.0.0-beta.474."
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}
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],
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"source": {
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"advisory": "GHSA-w8wm-r924-f65v",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/coollabsio/coolify/security/advisories/GHSA-w8wm-r924-f65v",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-30T12:55:46.494918Z",
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"id": "CVE-2026-41896",
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"options": [
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{
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"Exploitation": "poc"
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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": "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": "2026-06-30T12:55:50.036Z"
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}
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}
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]
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}
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} |