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Fencer Vulns
medium 6.3

CVE-2025-11602 json

Untargeted information leak in Bolt protocol handshake

published 2025-10-31 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-37324

cvss
6.3
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

Potential information leak in bolt protocol handshake in Neo4j Enterprise and Community editions allows attacker to obtain one byte of information from previous connections. The attacker has no control over the information leaked in server responses.

Patch / fix

  • neo4j Enterprise Edition 5.26.15, 2025.10.1
  • neo4j Community Edition 5.26.15, 2025.10.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-11602 updated cvss 5.3

neo4j: Untargeted information leak in Bolt protocol handshake

  • Red Hat Fuse 7 neo4j-ogm-core Red Hat JBoss Enterprise Application Platform 8 neo4j Red Hat JBoss Enterprise Application Platform Expansion Pack neo4j Red Hat OpenShift Dev Spaces devspaces/dashboard-rhel9, devspaces/devspaces-operator-bundle
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/V:D/U:Clear
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:D/RE:X/U:Clear

Affected products

  • neo4j Enterprise Edition
  • neo4j Community Edition

Classification

Weakness
  • CWE-226 Sensitive Information in Resource Not Removed Before Reuse

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.