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
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 06 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 06 Feb 2026 13:45:00 +0000

Type Values Removed Values Added
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
Title Insufficient escaping of unicode characters in query log
Weaknesses CWE-117
References
Metrics cvssV4_0

{'score': 1.1, 'vector': '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'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Neo4j

Published:

Updated: 2026-02-06T14:30:29.856Z

Reserved: 2026-01-22T13:14:55.461Z

Link: CVE-2026-1337

cve-icon Vulnrichment

Updated: 2026-02-06T14:30:21.922Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-06T14:16:38.120

Modified: 2026-02-06T15:14:47.703

Link: CVE-2026-1337

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses