GHSA-8p9x-6h8h-hghw
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach OFBiz REST endpoint over network
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DeliveryTarget operation with omitted auth attribute
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ExploitBypass credential check via false default
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ExecutionInvoke REST operation unauthenticated
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ImpactLimited data access or state change
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK
1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The condition is specific: a REST API operation or resource whose .rest.xml definition (resource or operation element) omits the auth attribute, which ModelApiReader resolves to false instead of the true default declared by rest-api.xsd - effectively leaving that operation unauthenticated. Exploitation requires network reachability to the OFBiz REST API framework on versions through 24.09.07. Limiting factors: only operations that actually omit the auth attribute are exposed (operations with an explicit auth attribute are unaffected), and realized impact is bounded (CVSS C:L/I:L/A:L), so the blast radius depends on which operations a deployment defines without the attribute; no user interaction or authentication is required (PR:N/UI:N). |
| Impact | This is a genuine but moderate-priority issue, and the signals are internally consistent rather than conflicting. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes a remotely reachable, low-complexity flaw requiring no privileges and no user interaction - matching CWE-306 (Missing Authentication) and the description's claim that a missing auth attribute in a .rest.xml definition is incorrectly resolved to false, letting an unauthenticated remote attacker invoke REST API operations. The 7.3 (High) score is driven by the easy network reachability combined with limited C:L/I:L/A:L impact, meaning any single operation yields only partial confidentiality, integrity, and availability impact rather than full system compromise. Counterbalancing signals point to lower real-world urgency: EPSS is 0.22% (13th percentile), there is no CISA KEV listing in the input, and no public exploit or PoC reference is present - only vendor/advisory links. The vuln.today decision label is 'this_week' rather than act_now/emergency, consistent with the low EPSS and absence of confirmed exploitation. Net: a real authentication-bypass bug worth patching promptly, but current evidence indicates no active or widespread exploitation. One caveat: actual severity depends on which REST operations a given deployment exposes without the auth attribute, which the CVE does not enumerate - impact could be higher or lower per installation. |
| Exploit ScenarioDerived | An attacker who can reach an OFBiz instance's REST endpoint over the network sends a request to a REST API operation whose .rest.xml definition omits the auth attribute; because ModelApiReader defaults that omitted attribute to false instead of the schema-declared true, the operation executes without credential validation. No public exploit code is identified at time of analysis, and the realistic impact depends on which specific operations are defined without an explicit auth attribute. Given AV:N/AC:L/PR:N/UI:N, exploitation needs only network access to the REST API. |
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Alert meAnalysisAIv2 – Nov 10, 2026
An authentication bypass in Apache OFBiz through 24.09.07 lets remote, unauthenticated attackers invoke REST API operations that were meant to require credentials, because the ModelApiReader parser resolves an omitted auth attribute in .rest.xml definitions to false rather than the true default declared by rest-api.xsd. Only deployments that define REST resources or operations without an explicit auth attribute are exposed, and the realized impact is bounded (C:L/I:L/A:L) since the blast radius depends on which operations lack the attribute. EPSS is low at 0.22% (13th percentile) and no public exploit code or CISA KEV entry is associated with the issue at time of analysis, though a public PoC reference exists that is not verified as working exploit code; upgrading to 24.09.08 fixes the flaw.
Earlier versions of this analysis (1)
Apache OFBiz prior to 24.09.08 can treat REST API operations defined in .rest.xml without an explicit auth attribute as anonymous, allowing remote callers to invoke them without authentication. The supplied assessment rates this as network-reachable, low-complexity, unauthenticated with high confidentiality and integrity impact, while noting that real impact depends on which operations are exposed and that the default-vulnerable set is not enumerated. No CISA KEV entry or verified public exploit is present in the supplied intelligence; no public exploit identified at time of analysis.
RemediationAI
Upgrade to Apache OFBiz 24.09.08, the vendor-released fix for this issue, as recommended in the oss-sec advisory (https://seclists.org/oss-sec/2026/q4/516) and the project site (https://ofbiz.apache.org/). Where an upgrade cannot be scheduled immediately, audit all .rest.xml resource and operation definitions and add an explicit auth="true" attribute to any operation that is intended to require credentials, which restores the intended protection because explicit attributes were never affected by the faulty default; the trade-off is that this is a manual, deployment-by-deployment review and misses any definition that is later added without the attribute. Also restrict network access to the OFBiz REST API endpoints to trusted sources until the upgrade is complete, recognizing that this reduces exposure but does not correct the parser default for internal or proxied callers. Note that EPSS is 0.22% (13th percentile) and there is no CISA KEV entry, but the priority label is this_week, so the upgrade should be treated as a near-term action.
Affected VersionsENISA
Affected Packages
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 and e-commerce platform whose REST API framework is configured through .rest.xml definition files, validated against the rest-api.xsd schema. ModelApiReader is the component that parses these definitions into runtime API models. The schema declares a default of true for the auth attribute, but the Java parser applied an incorrect default of false when the attribute is absent, so operations intended to be protected were registered as unauthenticated. This is a classic CWE-306 (Missing Authentication for Critical Function) pattern arising from a schema-versus-code default mismatch, not from a memory-safety or injection bug; the trigger is purely a configuration/definition condition, and operations that carry an explicit auth attribute are unaffected per the assessment. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N/S:U with C:L/I:L/A:L, any attacker with network reachability to the OFBiz REST API endpoint can invoke the misconfigured operations without credentials, with impact capped at partial confidentiality, integrity and availability effects determined by what those operations do.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Remote REST API reachable with no auth or interaction (AV:N/AC:L/PR:N/UI:N); impact limited to whatever operations lack the auth attribute, so C/I/A:L and scope unchanged.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
4Description PRE-NVD
Articles & Coverage 1
Executive ViewAI
Apache OFBiz, a widely used open-source ERP platform, contains an authentication bypass (CVE-2026-92887) that allows unauthenticated attackers to invoke certain REST API operations intended to require credentials. Only deployments whose REST definitions omit an explicit auth attribute are exposed, meaning some organizations running OFBiz may have unintended public access to specific business functions. Security leadership should assess exposure, because the flaw can be exploited without authentication and could let attackers invoke operations affecting confidential data, integrity, or availability depending on the affected APIs.
Apply vendor patch.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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EUVD-2026-117465
NVD
CVE.org
EPSS
Exploit-DB