140 lines
5.5 KiB
JSON
140 lines
5.5 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-2026-45156",
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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": "2026-05-08T20:44:38.964Z",
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"datePublished": "2026-06-01T16:38:46.470Z",
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"dateUpdated": "2026-06-03T03:55:47.564Z"
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},
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"containers": {
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"cna": {
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"title": "Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC",
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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": 8.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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/nextcloud/security-advisories/security/advisories/GHSA-qqgv-fqwp-mjpp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qqgv-fqwp-mjpp"
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},
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{
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"name": "https://github.com/nextcloud/user_oidc/pull/1285",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/nextcloud/user_oidc/pull/1285"
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},
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{
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"name": "https://hackerone.com/reports/3489490",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://hackerone.com/reports/3489490"
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}
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],
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"affected": [
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{
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"vendor": "nextcloud",
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"product": "security-advisories",
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"versions": [
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{
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"version": ">= 0.3.0, < 3.1.0",
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"status": "affected"
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},
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{
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"version": ">= 5.0.0, < 5.1.0",
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"status": "affected"
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},
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{
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"version": ">= 6.0.0, < 6.4.0",
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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": "2026-06-01T16:38:46.470Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in versions 3.1.0, 4.1.0, 5.1.0, 6.4.0 and 8.3.0."
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}
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],
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"source": {
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"advisory": "GHSA-qqgv-fqwp-mjpp",
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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": "2026-06-02T00:00:00+00:00",
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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": "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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"id": "CVE-2026-45156"
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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": "2026-06-03T03:55:47.564Z"
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}
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}
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]
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}
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} |