125 lines
5.7 KiB
JSON
125 lines
5.7 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-2026-55235",
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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": "2026-06-16T16:44:00.623Z",
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"datePublished": "2026-09-14T15:53:19.013Z",
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"dateUpdated": "2026-09-16T15:14:55.630Z"
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},
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"containers": {
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"cna": {
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"title": "langgraph-api: Relative webhook targets in LangGraph Server can reach in-process routes without authentication",
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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": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L",
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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/langchain-ai/helm/security/advisories/GHSA-2c9q-c2q9-qgqv",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/langchain-ai/helm/security/advisories/GHSA-2c9q-c2q9-qgqv"
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},
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{
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"name": "https://github.com/langchain-ai/docs/blob/7b70fbacab21f84d9c6f9848f86cdeb471adbb50/src/langsmith/agent-server-changelog.mdx",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/langchain-ai/docs/blob/7b70fbacab21f84d9c6f9848f86cdeb471adbb50/src/langsmith/agent-server-changelog.mdx"
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}
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],
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"affected": [
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{
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"vendor": "langchain-ai",
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"product": "langgraph-api",
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"versions": [
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{
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"version": "< 0.10.0",
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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": "2026-09-14T15:53:19.013Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "langgraph-api implements the LangGraph API for rapid development and testing. Prior to 0.10.0, langgraph-api permits a run or cron to specify a relative webhook target that is delivered through an in-process loopback transport, and the authentication middleware treats that transport as internal without applying the authentication context used for external requests. In deployments that rely on per-user authorization to separate threads and runs, an authenticated user can direct a webhook to the server's own thread and run routes, allowing creation of a run on or modification of another user's thread and limited incorporation of the targeted thread's metadata into the created run record. The affected path requires webhook targets and per-user authorization boundaries; deployments that deliberately re-enable loopback delivery should restrict it to controlled same-process routes because those webhooks remain unauthenticated. This issue is fixed in version 0.10.0."
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}
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],
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"source": {
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"advisory": "GHSA-2c9q-c2q9-qgqv",
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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": "2026-09-16T15:14:41.906689Z",
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"id": "CVE-2026-55235",
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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": "2026-09-16T15:14:55.630Z"
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}
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}
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]
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}
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} |