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Apache OFBiz CVE-2026-109856

| EUVDEUVD-2026-117520 MEDIUM
Direct Request ('Forced Browsing') (CWE-425)
6.5
CVSS 3.1 · Vendor
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate or reach Financial Account service
  2. Exploit
    Invoke balance-affecting service without authorization
  3. Execution
    Modify targeted account balance
  4. Impact
    Unauthorized financial gain / data integrity loss

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Direct request prevention
Exploitation Conditions

Exploitation requires the ability to invoke Apache OFBiz Financial Account services (the balance-affecting service calls); the flaw is a missing authorization check on those services, so an actor who can reach the endpoint can manipulate account balances without holding the proper privilege. The specific service parameters and whether a valid session is required are not detailed in the available batch advisory, and no CVSS vector is provided to confirm the privilege level - the limiting factor is reachability of the Financial Account service layer, which in typical OFBiz deployments means an operator/user able to call the service rather than an anonymous external request. Fix is upgrade to 24.09.08; the vendor states upgrading is the remediation.

Impact

No CVSS vector, EPSS score, or SSVC technical-impact data is supplied for CVE-2026-109856, and it is not listed in CISA KEV, so the quantitative exploitation signals are absent and the vuln.today decision label is explicitly 'awaiting_data' - this is a priority that cannot yet be scored from the available intelligence, not a confirmed high-urgency item. What IS known is the vulnerability class: 'Missing Authorization in Financial Account Services Enables Unauthorized Balance Manipulation' (CWE-862), disclosed as part of a large Apache OFBiz batch advisory covering many issues fixed in 24.09.08. The real-world risk is an integrity-impacting authorization flaw: a user able to reach the Financial Account service endpoints can alter account balances they should not control, which has direct financial/fraud consequences in an ERP/e-commerce deployment. Because no CVSS vector is provided, authentication requirements are not confirmed from the available data; the 'Missing Authorization' framing implies an actor who can already invoke the service rather than a fully pre-auth attacker, but this should be verified against the Apache advisory. There is no EPSS/KEV/POC evidence of active or widespread exploitation, so urgency should track the vendor advisory and the batch nature of the fix rather than confirmed in-the-wild activity.

Exploit ScenarioDerived

An actor with access to Apache OFBiz Financial Account service endpoints invokes a balance-affecting service that fails to enforce an authorization check, letting them adjust a financial account balance they are not entitled to modify - for example inflating store credit or a gift/deposit balance for fraudulent benefit. No public exploit code or PoC reference is provided in the available sources, and the exact trigger is not described in the batch advisory.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Nov 04, 2026

Missing authorization checks in Apache OFBiz Financial Account services let an authenticated user manipulate financial account balances without holding the privilege those balance-affecting operations require. Every release prior to 24.09.08 is affected; the assessed CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, a medium-severity integrity-only impact. No public exploit code, EPSS score, CISA KEV listing, or SSVC technical-impact data is available at time of analysis, and the vuln.today decision label remains 'awaiting_data' rather than a scored urgency.

RemediationAI

Upgrade to Apache OFBiz 24.09.08, which the vendor states addresses this and the other vulnerabilities in the batch advisory; per the advisory and the independent assessment, upgrading is the remediation, and no separate patch or workaround for CVE-2026-109856 is described in the available sources. Because the limiting factor is reachability of the Financial Account service layer, restricting which operators and integrations can call those balance-affecting services reduces exposure in the interim, but this is a reachability reduction rather than a fix and the vendor's stated complete remediation remains the upgrade. Advisory references: https://seclists.org/oss-sec/2026/q4/516 and https://ofbiz.apache.org/.

Affected VersionsENISA

Apache OFBiz 0 <24.09.08

Affected Packages

euvd apache_ofbiz fix: 24.09.08

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Apache OFBiz is a Java-based web framework built around an entity engine, a service engine, and a widget-based UI, and the affected surface here is the service layer rather than the presentation widgets. The flaw is a missing authorization check (the missing-authorization class, CWE-862) on Financial Account services that change balances: the service accepts and performs the balance-affecting operation without verifying that the caller holds the privilege that operation should require, so any actor able to invoke the service can alter account balances. Because the assessed vector carries PR:L with AV:N, the exposure is to a low-privileged authenticated user reaching the service over the network with no user interaction; the batch oss-security advisory does not detail the individual service parameters or confirm whether a valid session is always required, so the precise invocation path is not described in the available sources. CVE-2026-109856 is one entry in a large bundled OFBiz advisory covering dozens of distinct issues across authentication, authorization, injection, and code-execution classes, which is why no per-CVE CVSS vector or CWE is attached in the source data.

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Severity by source

Vendor (CNA) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
vuln.today AI 6.5 MEDIUM

Web-reachable service (AV:N/AC:L); 'Missing Authorization' implies an actor with some access invoking the service, so PR:L; impact is unauthorized balance modification, so I:H with C:N/A:N.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
CVSS changed
Nov 10, 2026 - 17:22 NVD
6.5 (MEDIUM)
Patch available
Nov 05, 2026 - 15:17 EUVD
CVE Published
Nov 04, 2026 - 16:33 oss-security
CRITICAL

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Executive ViewAI

Why It Matters

CVE-2026-109856 is a critical missing authorization vulnerability in Apache OFBiz Financial Account services that allows authenticated users to manipulate financial balances without the required privileges, directly threatening the integrity of financial records. This affects all releases prior to 24.09.08, impacting finance, audit, and IT teams. Leadership should prioritize remediation to prevent potential financial misstatement, fraud, or compliance issues.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Low
niche open-source ERP/e-commerce framework, limited enterprise deployment footprint
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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