CVE-2026-1337 (GCVE-0-2026-1337)

Vulnerability from cvelistv5 – Published: 2026-02-06 13:13 – Updated: 2026-02-06 14:30
VLAI?
Title
Insufficient escaping of unicode characters in query log
Summary
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
CWE
  • CWE-117 - Improper Output Neutralization for Logs
Assigner
References
Impacted products
Vendor Product Version
neo4j Enterprise Edition Affected: 0 , < 2026.01.0 (date)
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    neo4j Community Edition Affected: 0 , < 2026.01.0 (date)
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Credits
Joakim Bülow
Show details on NVD website

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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