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CVE-2026-15555

Jboss-marshalling-river: wildfly-clustering-infinispan-marshalling: jboss deserialization rce via unfiltered river unmarshaller

CVSS score

8.8

EPSS probability

%0.3

Risk score

0.0

Published

2 mo ago

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-15555 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A flaw was found in JBoss marshalling. The Infinispan session replication path deserializes replicated session data via the JBoss Marshalling River unmarshaller with no class filtering — enabling RCE via deserialization gadget chains on every cluster node.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-15555 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Red HatRed Hat JBoss Enterprise Application Platform 7.4.25 View
2Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
3Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
4Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
5Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
6Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
7Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
8Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
9Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
10Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
11Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
12Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 View
13Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
14Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
15Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
16Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
17Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
18Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
19Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
20Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
21Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
22Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
23Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 View
24Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
25Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
26Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
27Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
28Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
29Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
30Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
31Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
32Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
33Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
34Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 View
35Red HatRed Hat JBoss Enterprise Application Platform 8.1 View
36Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
37Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
38Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
39Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
40Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
41Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
42Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
43Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
44Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
45Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
46Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
47Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
48Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
49Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
50Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
51Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
52Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
53Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
54Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
55Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
56Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
57Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
58Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
59Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
60Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
61Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
62Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
63Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
64Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
65Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
66Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
67Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
68Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 View
69Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
70Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
71Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
72Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
73Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
74Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
75Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
76Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
77Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
78Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
79Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
80Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
81Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
82Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
83Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
84Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
85Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
86Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
87Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
88Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
89Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
90Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
91Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
92Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
93Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
94Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
95Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
96Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
97Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
98Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
99Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
100Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
101Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 View
102Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
103Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
104Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
105Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
106Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
107Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
108Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
109Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
110Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
111Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
112Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
113Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
114Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
115Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
116Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
117Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
118Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
119Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
120Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
121Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
122Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
123Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
124Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
125Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
126Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
127Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
128Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
129Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
130Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
131Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
132Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
133Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
134Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 View
135Red HatRed Hat JBoss Enterprise Application Platform 7 View
136Red HatRed Hat JBoss Enterprise Application Platform 8 View
137Red HatRed Hat JBoss Enterprise Application Platform Expansion Pack View
Total affected vendors: 1|Products: 137

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.8CVSS V3_1HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE CNA
8.8CVSS V31HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15555 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-15555 weaknesses.

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

CVSS Vector Radar Chart

8.8 / 10
Attack VectorAdjacentComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorAdjacent network
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

RH
Red Hat logo
Red Hat

Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-15555"