CVE-2026-1337 — Insufficient escaping of unicode characters in query log

CVE-2026-1337

Insufficient escaping of unicode characters in query log PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
neo4j / Enterprise Edition	affected 0 before 2026.01.0
neo4j / Community Edition	affected 0 before 2026.01.0

CWE

CWE-117

References

https://github.com/JoakimBulow/CVE-2026-1337

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.