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Apache OFBiz CVE-2026-83538

| EUVDEUVD-2026-117472 MEDIUM
Information Exposure (CWE-200)
5.3
CVSS 3.1 · Vendor
View

Attack ChainAIDerived

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

  1. Access
    Reach exposed OFBiz instance
  2. Exploit
    Request HR/Catalog/Order helper endpoint unauthenticated
  3. Impact
    Receive disclosed internal data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

The affected product is Apache OFBiz at any version prior to 24.09.08, with the exposure reachable through HR, Catalog, and Order Manager 'helper' request endpoints. The title indicates no authentication is required, but because no CVSS vector is supplied this cannot be confirmed from the available data - authentication requirements are not confirmed. The specific helper paths, required parameters, and the exact data returned are not described in the available sources. The primary limiting factor is network reachability of the OFBiz web application: instances not exposed to the attacker's network, or fronted by access controls, are not reachable. The only stated complete fix is upgrading to 24.09.08.

Impact

Signal availability for this specific CVE is sparse: no CVSS vector, no EPSS score, no CISA KEV listing, and no SSVC/automatable determination are provided - the aggregator's own Decision label is 'awaiting_data', meaning priority has not yet been computed. CVE-2026-83538 is one entry in a large bundled Apache OFBiz advisory (40+ CVEs fixed in 24.09.08) and is described as unauthenticated information disclosure reachable through HR, Catalog, and Order Manager helper endpoints. The vulnerability title asserts unauthenticated access, which - if accurate - makes this network-reachable with no credentials and therefore attractive for low-effort data harvesting; however, this is drawn from the title text, not from a CVSS PR:N metric, so the authentication requirement is not independently confirmed from the available data. Impact appears limited to confidentiality (disclosure) with no stated integrity or availability effect, so despite a potentially low barrier to exploitation this is a data-exposure issue rather than a code-execution or takeover issue. Note the same bundle contains far more severe companions (e.g. CVE-2026-68524 pre-auth RCE, CVE-2026-105330 hard-coded JWT key) that should outrank this CVE for remediation urgency even though a single upgrade to 24.09.08 fixes them all. No exploitation probability or active-exploitation signal is available to distinguish real-world priority; treat current severity as provisional pending a vendor/NVD CVSS vector.

Exploit ScenarioDerived

An attacker who can reach an internet-exposed Apache OFBiz instance sends requests directly to HR, Catalog, or Order Manager helper endpoints and receives back internal business data (such as employee, catalog, or order information) without supplying credentials. No public exploit code is identified for this specific CVE at the time of analysis, and the precise request format and exact data exposed are not described in the available sources.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Nov 04, 2026

Information disclosure in Apache OFBiz affects every release prior to 24.09.08, where request handlers reachable through the HR, Catalog and Order Manager 'helper' endpoints return data that the caller should not be able to obtain. The vendor describes the issue as unauthenticated disclosure, and an assessed vector of AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N scores it as a low-confidentiality-impact network flaw, but no vendor-supplied CVSS vector accompanies the advisory, so authentication requirements are not confirmed from the available data. The flaw is one of roughly fifty issues addressed in the 24.09.08 release of OFBiz, which includes far more severe pre-authentication RCE and authorization bypass bugs; no public exploit code has been identified for this specific CVE at time of analysis, no CISA KEV listing exists, and no EPSS score is available, leaving the aggregator's priority decision at 'awaiting_data'.

RemediationAI

Vendor-released patch: Apache OFBiz 24.09.08, which the advisory states addresses this issue together with the rest of the bundled CVEs; upgrading is the only complete fix the vendor gives, so remediation should be planned as a single upgrade rather than an issue-by-issue workaround. Because the same release closes pre-authentication RCE paths (CVE-2026-68524, CVE-2026-83542), authentication bypasses (CVE-2026-73577, CVE-2026-92887, CVE-2026-97356) and hard-coded credential/key flaws (CVE-2026-97355, CVE-2026-105330), delaying the upgrade leaves far higher-impact exposure than this disclosure alone. Until the upgrade is applied, the primary limiting factor is network reachability: restricting access to the OFBiz web application so that only trusted networks or authenticated reverse-proxy front ends can reach the HR, Catalog and Order Manager endpoints reduces exposure, at the cost of blocking legitimate external users of those modules. No fixed version other than 24.09.08 is listed, and no CPE- or version-specific workaround is documented in the available sources.

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 bundling an entity engine, a service engine and a widget-based UI, commonly deployed as an ERP/e-commerce platform. This entry covers the helper request endpoints associated with the HR, Catalog and Order Manager components, which per the advisory return data to callers without adequate access control - an authorization/access-control weakness in the same family as the numerous missing-authorization and user-controlled-key entries in the same release. No CWE was assigned in the supplied data, and the specific helper paths, required parameters, and exact fields returned are not described in the available sources; the trigger is therefore not described in the available sources. It should be read in the context of the 24.09.08 release as a whole, which also fixes pre-authentication code execution, hard-coded credential and JWT key issues, SQL injection, XXE, SSRF and FreeMarker/Groovy expression injection, indicating a broad hardening pass over OFBiz's authorization and request-handling layers rather than an isolated defect.

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Severity by source

Vendor (CNA) PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 5.3 MEDIUM

Title indicates unauthenticated network-reachable disclosure (AV:N/AC:L/PR:N/UI:N); confidentiality-only impact rated C:L because the volume and sensitivity of disclosed data are not specified; no integrity or availability effect.

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

Primary rating from Vendor (CNA).

CVSS VectorVendor

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

Lifecycle Timeline

3
CVSS changed
Nov 10, 2026 - 17:22 NVD
5.3 (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

A critical information disclosure vulnerability in Apache OFBiz (CVE-2026-83538) affects all versions prior to 24.09.08, allowing unauthenticated attackers to access sensitive data through HR, Catalog, and Order Manager endpoints. While the direct confidentiality impact is low, this flaw is part of a release that also fixes severe pre-authentication remote code execution and authorization bypass bugs, indicating a compromised security posture. Leadership should prioritize remediation to prevent potential data leaks and as part of a broader effort to address multiple critical issues in the platform.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include restricting network access to OFBiz instances, deploying WAF rules to filter malicious requests targeting HR, Catalog, and Order Manager endpoints, and monitoring for anomalous data access.

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Prevalence
Low
niche open-source Java ERP, 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 0.3%
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
Yes
Human Impact
Medium

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
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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