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CVE-2023-23926

25
FAUCET Score

CVE-2023-23926 is an XML External Entity (XXE) vulnerability in the apoc.import.graphml procedure of the APOC (Awesome Procedures on Cypher) library for Neo4j, affecting versions prior to 5.5.0 and 4.4.0.14. This flaw allows attackers to read local files, send HTTP requests, or perform denial-of-service attacks due to an insecurely configured XML parser. With a CVSS score of 8.1 (High), the vulnerability has a low attack complexity and requires low privileges, but can lead to high confidentiality and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.5.0CPE matchmatch criteria
cpe:2.3:a:neo4j:awesome_procedures_on_cyper:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 51st percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.neo4j.procedure:apoc-coreFixed in: 5.5.0
mavenpatch availablevia ghsa
Product: org.neo4j.procedure:apoc-coreFixed in: 4.4.0.14

Vendor Advisories (1)

mavenGHSA-6wxg-wh7f-rqprmedium

XML External Entity (XXE) vulnerability in apoc.import.graphml

Feb 16, 2023

References

github.com / neo4j/apoc/pull/310
Patch
github.com / neo4j/apoc/releases/tag/5.5.0
Release Notes
github.com / neo4j/apoc/security/advisories/GHSA-6wxg-wh7f-rqpr
Vendor Advisory
neo4j.com / docs/operations-manual/current/reference/configuration-settings
Product