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Apache OFBiz EUVDEUVD-2026-30877

| CVE-2026-45434 CRITICAL
Improper Authentication (CWE-287)
2026-05-19 apache GHSA-qcxg-xcph-9r99
9.8
CVSS 3.1 · Vendor: apache
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Attack ChainAIDerived

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

  1. Recon
    Identify exposed OFBiz instance
  2. Delivery
    Send crafted request to password-change endpoint
  3. Exploit
    Bypass authentication via logic flaw
  4. Install
    Gain privileged account access
  5. C2
    Invoke scripting dispatcher
  6. Execute
    Execute arbitrary OS commands
  7. Impact
    Pivot into ERP data and host

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

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

Exploitation Conditions

Exploitation requires network reach to the OFBiz web interface (default HTTP/HTTPS ports 80/443 or 8080/8443) and the ability to invoke the password-change endpoint - no authentication, user interaction, or non-default configuration is required per the CVSS:3.1 AV:N/AC:L/PR:N/UI:N vector, so any default-configured OFBiz deployment before 24.09.06 with a reachable web interface is exploitable. Limiting factors: OFBiz is most commonly deployed on internal corporate networks rather than directly internet-facing, so externally exploitable instances are a subset of the installed base; additionally, the attacker must reach the specific password-change workflow URL, which may be filtered by reverse proxies or WAFs in mature deployments.

Impact

Signals are mixed and worth contrasting carefully: the CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H vector argues for maximum-priority patching (network-reachable, no privileges, no user interaction, full CIA impact), and SSVC Technical Impact is 'total,' yet SSVC Exploitation is 'none,' Automatable is 'no,' EPSS is only 0.07% (22nd percentile), and the CVE is not on CISA KEV. No public exploit identified at time of analysis. Realistically, this is a high-priority patch for any internet-exposed OFBiz instance because OFBiz has a documented history of authentication-bypass-to-RCE chains being weaponized within weeks of disclosure (e.g., prior CVE-2023-49070, CVE-2024-45195 patterns), so the current low EPSS likely reflects newness of disclosure rather than exploit difficulty. No conflicting data was observed between the CVSS vector and the description - both consistently indicate unauthenticated network exploitation.

Exploit ScenarioDerived

An unauthenticated attacker locates an internet-exposed OFBiz instance (commonly via Shodan queries for OFBiz default banners), sends a crafted HTTP request to the password-change handler that exploits the improper-authentication flaw to either reset or assume a privileged account's credentials, then pivots through OFBiz's scripting/dispatcher functionality to execute operating-system commands as the OFBiz service account. No public exploit identified at time of analysis, but the CVSS AC:L and PR:N profile makes reliable weaponization plausible once details propagate.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – May 20, 2026

Remote code execution in Apache OFBiz before 24.09.06 stems from an improper authentication flaw in the password-change logic that allows unauthenticated remote attackers to bypass authentication and ultimately execute arbitrary code on the server. The CVSS 9.8 rating reflects network-reachable, no-interaction exploitation against a widely deployed open-source ERP platform, though EPSS sits at only 0.07% and SSVC currently marks exploitation as 'none' - meaning no public exploit identified at time of analysis despite the severe technical impact.

RemediationAI

Vendor-released patch: Apache OFBiz 24.09.06 - upgrade immediately by following the Apache advisory at https://lists.apache.org/thread/yw4owrzl0yho1yx7oqxvr6xjkmln9tq8. Until the upgrade is deployed, restrict network exposure of the OFBiz front-end and back-end webapps (typically ports 443/8443 and 80/8080) to trusted IP ranges via firewall or reverse-proxy ACLs, and consider blocking access to the password-change and account-management endpoints (e.g., /accounting/control/, /webtools/control/ password-reset URIs) at a WAF - note that blocking these endpoints will prevent legitimate self-service password resets and break some admin workflows. Reviewing application and web-server logs for anomalous POSTs to password-change handlers and for unexpected child processes spawned by the OFBiz JVM is also recommended given the RCE outcome.

Affected VersionsENISA

Apache OFBiz 0 <24.09.06

Affected Packages

euvd apache_ofbiz fix: 24.09.06

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 an open-source enterprise resource planning (ERP) suite written in Java that bundles e-commerce, CRM, accounting, manufacturing, and supply-chain modules behind a shared web/servlet stack. The CWE-287 (Improper Authentication) classification indicates the password-change workflow fails to correctly verify the requester's identity or current credentials before mutating account state, which an attacker chains into RCE - historically OFBiz RCE chains have leveraged authentication bypasses to reach the Groovy/ECA scripting endpoints (such as ViewHandlerException paths or XML-RPC/SOAP dispatchers) that interpret attacker-controlled code in the server's JVM. The CPE cpe:2.3:a:apache_software_foundation:apache_ofbiz:*:*:*:*:*:*:*:* covers all OFBiz releases prior to the fixed 24.09.06 build.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (apache) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (apache) · only source for this CVE.

CVSS VectorVendor: apache

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

Lifecycle Timeline

4
Severity Changed
May 20, 2026 - 17:22 NVD
HIGH CRITICAL
CVSS changed
May 20, 2026 - 17:22 NVD
8.8 (HIGH) 9.8 (CRITICAL)
Patch available
May 19, 2026 - 11:16 EUVD
CVE Published
May 19, 2026 - 09:40 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

Improper Authentication vulnerability in Apache OFBiz via Password-Change Logic Flaw Leading to Remote Code Execution

This issue affects Apache OFBiz: before 24.09.06.

Users are recommended to upgrade to version 24.09.06, which fixes the issue.

Executive ViewAI

Why It Matters

Apache OFBiz contains an unauthenticated remote code execution vulnerability (CVE-2026-45434) that allows attackers to execute arbitrary code on ERP systems with zero user interaction required. This affects all organizations running OFBiz before version 24.09.06 and poses risk of complete infrastructure compromise. While no public exploit has been identified at time of analysis, the critical technical severity requires immediate patching.

Business Impact: Severe
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.1%
Top 78% exploitable
Social Media
2
Sightings
Data Quality
5 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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
Very High
Technical Impact
Total

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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CVE-2026-73578 HIGH
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Remote unauthenticated attackers can read protected views in Apache OFBiz 24.09 through 24.09.07 by appending a protecte

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