CVE-2026-1337

MEDIUM

5.4

Description

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

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published2/6/2026

Last Modified2/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

neo4j:neo4j

Weaknesses (CWE)

CWE-117

References

https://github.com/JoakimBulow/CVE-2026-1337(3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.