522 lines
24 KiB
JSON
522 lines
24 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveId": "CVE-2026-44727",
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"state": "PUBLISHED",
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"datePublished": "2026-06-22T19:56:56.776Z",
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"dateUpdated": "2026-08-28T12:04:25.625Z"
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},
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"containers": {
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"cna": {
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"title": "Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-79",
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"lang": "en",
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"description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
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"type": "CWE"
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{
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{
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"cweId": "CWE-1021",
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"description": "CWE-1021: Improper Restriction of Rendered UI Layers or Frames",
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"type": "CWE"
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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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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "ACTIVE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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"baseScore": 9.3,
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
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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/jupyter-server/jupyter_server/security/advisories/GHSA-fcw5-x6j4-ccmp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-fcw5-x6j4-ccmp"
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},
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{
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"name": "https://github.com/jupyter-server/jupyter_server/commit/6cbee8d65e71abac851c4492fea987ad080580bd",
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{
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{
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}
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],
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"source": {
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"advisory": "GHSA-fcw5-x6j4-ccmp",
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"discovery": "UNKNOWN"
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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": "2026-06-23T12:15:20.487628Z",
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"id": "CVE-2026-44727",
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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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"Technical Impact": "total"
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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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{
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{
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"value": "Made public."
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],
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"title": "jupyter-server: Jupyter Server: Remote Code Execution via stored Cross-Site Scripting in nbconvert handlers",
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"x_adpType": "supplier",
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"x_generator": {
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}
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