196 lines
8.0 KiB
JSON
196 lines
8.0 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-2026-45021",
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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": "2026-05-08T16:58:28.896Z",
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"datePublished": "2026-05-28T17:45:14.434Z",
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"dateUpdated": "2026-05-28T19:30:33.327Z"
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},
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"containers": {
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"cna": {
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"title": "Kuma: Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-346",
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"lang": "en",
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"description": "CWE-346: Origin Validation Error",
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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-942",
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"lang": "en",
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"description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains",
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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": "NONE",
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"userInteraction": "ACTIVE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 5.1,
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/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/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/kumahq/kuma/security/advisories/GHSA-3vcp-chfh-f6r2"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16416",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16416"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16423",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16423"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16424",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16424"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16425",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16425"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16426",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16426"
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},
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{
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"name": "https://github.com/kumahq/kuma/pull/16427",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/pull/16427"
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},
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{
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"name": "https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/kumahq/kuma/commit/8fefa8595d44eb68d922405702ed7a0826322907"
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}
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],
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"affected": [
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{
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"vendor": "kumahq",
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"product": "kuma",
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"versions": [
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{
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"version": "< 2.7.25",
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"status": "affected"
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},
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{
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"version": ">= 2.9.0, < 2.9.15",
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"status": "affected"
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},
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{
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"version": ">= 2.11.0, < 2.11.13",
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"status": "affected"
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},
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{
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"version": ">= 2.12.0, < 2.12.10",
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"status": "affected"
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},
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{
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"version": ">= 2.13.0, < 2.13.5",
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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": "2026-05-28T17:45:14.434Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, the default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. CorsAllowedDomains: [\".*\"] reflects any Origin, and LocalhostIsAdmin: true promotes requests from 127.0.0.1 to mesh-system:admin. A cross-origin fetch() from a malicious page returns the admin JWT and signing material. This vulnerability is fixed in 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5."
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}
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],
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"source": {
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"advisory": "GHSA-3vcp-chfh-f6r2",
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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": "2026-05-28T19:30:17.834875Z",
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"id": "CVE-2026-45021",
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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": "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": "2026-05-28T19:30:33.327Z"
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}
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}
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]
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}
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} |