Is CVE-2026-1337 in the CISA KEV catalog?

No. CVE-2026-1337 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-1337?

CVE-2026-1337 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2026-1337?

CVE-2026-1337 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1337?

Upgrade neo4j to 2026.01 or later.

CVE & CISA-KEV Catalog

CVE-2026-1337

MEDIUM

5.4

CVSS v3

NVD

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

CWE-117

How to fix

Remediation Available

neo4jNVD

Affected:< 2026.01Fixed in:2026.01CVE-2026-1337derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-117 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-43410	Medium	5.3	2.4%	-	Fix
CVE-2022-32549	Medium	5.3	2.3%	-	-
CVE-2019-14864	Medium	6.5	1.9%	-	Fix
CVE-2021-42250	Medium	6.5	1.8%	-	Fix
CVE-2024-47083	High	7.5	1.6%	-	-
CVE-2020-25646	High	7.5	1.4%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-24.