140 lines
5.9 KiB
JSON
140 lines
5.9 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-2026-34237",
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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": "2026-03-26T16:22:29.034Z",
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"datePublished": "2026-03-31T15:40:01.070Z",
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"dateUpdated": "2026-06-09T18:39:37.473Z"
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},
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"containers": {
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"cna": {
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"title": "MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)",
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"problemTypes": [
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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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"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": 6.1,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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/modelcontextprotocol/java-sdk/security/advisories/GHSA-hv2w-8mjj-jw22",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/modelcontextprotocol/java-sdk/security/advisories/GHSA-hv2w-8mjj-jw22"
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},
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{
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"name": "https://github.com/modelcontextprotocol/java-sdk/blob/main/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java#L289",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/modelcontextprotocol/java-sdk/blob/main/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java#L289"
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},
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{
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"name": "https://github.com/modelcontextprotocol/java-sdk/blob/main/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java#L525",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/modelcontextprotocol/java-sdk/blob/main/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java#L525"
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}
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],
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"affected": [
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{
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"vendor": "modelcontextprotocol",
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"product": "java-sdk",
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"versions": [
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{
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"version": ">= 1.0.0, < 1.0.1",
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"status": "affected"
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},
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{
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"version": ">= 1.1.0, < 1.1.1",
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"status": "affected"
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},
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{
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"version": "< 0.18.3",
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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": "2026-06-09T18:39:37.473Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1."
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}
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],
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"source": {
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"advisory": "GHSA-hv2w-8mjj-jw22",
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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": "2026-03-31T18:50:15.819733Z",
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"id": "CVE-2026-34237",
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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": "2026-03-31T18:52:38.217Z"
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}
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}
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]
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}
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} |