124 lines
5.0 KiB
JSON
124 lines
5.0 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-2026-6658",
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"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
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"state": "PUBLISHED",
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"assignerShortName": "@huntr_ai",
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"dateReserved": "2026-04-20T08:17:42.331Z",
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"datePublished": "2026-06-26T09:40:30.952Z",
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"dateUpdated": "2026-06-26T10:19:12.444Z"
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},
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"containers": {
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"cna": {
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"title": "Cross-site Scripting (XSS) in jupyter/nbconvert",
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"providerMetadata": {
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"orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
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"shortName": "@huntr_ai",
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"dateUpdated": "2026-06-26T09:40:30.952Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "A vulnerability in jupyter/nbconvert versions <= 7.17.0 allows for Cross-site Scripting (XSS) via unsanitized `text/vnd.mermaid` output in HTML exports. The `data_mermaid` block in `share/templates/lab/base.html.j2` renders `text/vnd.mermaid` cell output directly into HTML without escaping, enabling attackers to inject arbitrary HTML/JavaScript by breaking out of the `<pre>` tag. This vulnerability impacts any server using nbconvert to render notebooks as HTML, allowing attackers to execute arbitrary JavaScript in the context of users viewing the HTML export."
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}
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],
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"affected": [
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{
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"vendor": "jupyter",
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"product": "jupyter/jupyter",
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"versions": [
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{
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"version": "unspecified",
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"status": "affected",
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"versionType": "custom",
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"lessThanOrEqual": "latest"
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}
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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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"url": "https://huntr.com/bounties/47570290-3b26-4477-8cfa-fdef7db5aefe"
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}
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],
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"metrics": [
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{
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"cvssV3_0": {
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"version": "3.0",
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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"baseScore": 5.4,
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"baseSeverity": "MEDIUM"
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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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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"cweId": "CWE-79"
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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": "47570290-3b26-4477-8cfa-fdef7db5aefe",
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"discovery": "EXTERNAL"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://huntr.com/bounties/47570290-3b26-4477-8cfa-fdef7db5aefe",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-26T10:19:03.505659Z",
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"id": "CVE-2026-6658",
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"options": [
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{
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"Exploitation": "poc"
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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": "2026-06-26T10:19:12.444Z"
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}
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}
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]
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}
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} |