149 lines
6.4 KiB
JSON
149 lines
6.4 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-2026-40166",
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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": "2026-04-09T19:31:56.014Z",
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"datePublished": "2026-05-22T18:52:46.650Z",
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"dateUpdated": "2026-05-26T18:47:57.418Z"
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},
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"containers": {
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"cna": {
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"title": "authentik: Non-admin user can retrieve confidential OAuth client_secret via /api/v3/oauth2/access_tokens/",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-200",
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"lang": "en",
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"description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
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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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"descriptions": [
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{
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"cweId": "CWE-863",
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"lang": "en",
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"description": "CWE-863: Incorrect Authorization",
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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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"cvssV4_0": {
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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": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7.1,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N",
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"version": "4.0"
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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/goauthentik/authentik/security/advisories/GHSA-hhpc-rqgm-pxj4",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-hhpc-rqgm-pxj4"
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},
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{
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"name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.5"
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},
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{
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"name": "https://github.com/goauthentik/authentik/releases/tag/version%2F2026.2.3",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2026.2.3"
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}
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],
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"affected": [
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{
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"vendor": "goauthentik",
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"product": "authentik",
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"versions": [
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{
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"version": "< 2025.12.5",
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"status": "affected"
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},
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{
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"version": ">= 2026.2.0-rc1, < 2026.2.3",
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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": "2026-05-22T18:52:46.650Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, authenticated non-admin users with at least one OAuth2 access token can retrieve the client_secret of confidential OAuth2 providers they have previously authenticated against, exposing sensitive information to users without the correct permissions. This logic is GET /api/v3/oauth2/access_tokens/. The API response includes a nested provider object containing client_id and client_secret for providers configured with client_type: confidential, which should not be accessible to low-privilege users. This issue has been fixed in versions 2025.12.5 and 2026.2.3."
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}
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],
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"source": {
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"advisory": "GHSA-hhpc-rqgm-pxj4",
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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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"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": "2026-05-26T18:47:45.180359Z",
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"id": "CVE-2026-40166",
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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": "2026-05-26T18:47:57.418Z"
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}
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}
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]
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}
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} |