{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-1337",
"assignerOrgId": "3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6",
"state": "PUBLISHED",
"assignerShortName": "Neo4j",
"dateReserved": "2026-01-22T13:14:55.461Z",
"datePublished": "2026-02-06T13:13:19.230Z",
"dateUpdated": "2026-02-06T14:30:29.856Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Enterprise Edition",
"vendor": "neo4j",
"versions": [
{
"lessThan": "2026.01.0",
"status": "affected",
"version": "0",
"versionType": "date"
}
]
},
{
"collectionURL": "https://mvnrepository.com/artifact/org.neo4j/neo4j",
"defaultStatus": "unaffected",
"packageName": "pkg:maven/org.neo4j/neo4j",
"product": "Community Edition",
"repo": "https://github.com/neo4j/neo4j",
"vendor": "neo4j",
"versions": [
{
"lessThan": "2026.01.0",
"status": "affected",
"version": "0",
"versionType": "date"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joakim Bülow"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Insufficient escaping of unicode characters in query log in Neo4j Enterprise and Community editions prior to 2026.01 can lead to XSS if the user opens the logs in a tool that treats them as HTML. There is no security impact on Neo4j products, but this advisory is released as a precaution to treat the logs as plain text if using versions prior to 2026.01.
Proof of concept exploit: https://github.com/JoakimBulow/CVE-2026-1337"
}
],
"value": "Insufficient escaping of unicode characters in query log in Neo4j Enterprise and Community editions prior to 2026.01 can lead to XSS if the user opens the logs in a tool that treats them as HTML. There is no security impact on Neo4j products, but this advisory is released as a precaution to treat the logs as plain text if using versions prior to 2026.01.\n\nProof of concept exploit: https://github.com/JoakimBulow/CVE-2026-1337"
}
],
"impacts": [
{
"capecId": "CAPEC-63",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-63 Cross-Site Scripting (XSS)"
}
]
},
{
"capecId": "CAPEC-93",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-93 Log Injection-Tampering-Forging"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 1.1,
"baseSeverity": "LOW",
"exploitMaturity": "PROOF_OF_CONCEPT",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-117",
"description": "CWE-117 Improper Output Neutralization for Logs",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6",
"shortName": "Neo4j",
"dateUpdated": "2026-02-06T13:13:19.230Z"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/JoakimBulow/CVE-2026-1337"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "Insufficient escaping of unicode characters in query log",
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-06T14:29:47.736732Z",
"id": "CVE-2026-1337",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-02-06T14:30:29.856Z"
}
}
]
}
}