Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain Broker VM administrator credentials
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DeliveryAuthenticate to local management interface
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ExploitSubmit crafted input into vulnerable field
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ExecutionInject arbitrary content into Broker VM configuration or logs
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ImpactAchieve limited integrity impact on appliance data
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Exploitation Conditions | Exploitation requires the attacker to hold an authenticated administrator account on the Palo Alto Networks Broker VM - PR:L in the CVSS vector confirms low-privilege (but authenticated) access is required. The attack vector is local (AV:L), meaning the attacker must have logical access to the Broker VM management interface, not just network reachability. Only Broker VM release 30.0 builds prior to 30.0.24 are confirmed vulnerable. Limiting factors include: no remote unauthenticated path exists, the attack is not automatable (SSVC: Automatable: no), and the scope is restricted to integrity of the vulnerable system and subsequent systems only - no confidentiality breach or service disruption results. Organizations where Broker VM administrator access is tightly controlled and audited face negligible realistic risk. |
| Impact | All available signals converge on very low real-world risk. The CVSS 4.0 score of 1.1 reflects: a local attack vector (AV:L) requiring physical or logical local access, low privileges required (PR:L, meaning an authenticated administrator session is needed), no confidentiality impact (VC:N, SC:N), and only limited integrity impact on the vulnerable and subsequent system (VI:L, SI:L). The EPSS score of 0.03% places this in the 8th percentile - nearly the floor of exploitation probability. SSVC assessment aligns: exploitation status is none, the attack is not automatable, and technical impact is only partial. The CVSS 4.0 supplemental metric U:Amber signals limited confidence in some vector components, but this ambiguity does not materially change the low-risk conclusion. The sole realistic concern is insider threat or a compromised administrator account, which would already represent a significant access breach. This is not a priority for most security teams unless strict administrative integrity controls are mandated by compliance frameworks. |
| Exploit ScenarioDerived | An insider or attacker who has already compromised a Broker VM administrator account logs into the management interface locally and submits crafted input into an unsanitized field, injecting content that persists in the appliance's configuration or logs. Because the attack requires an authenticated administrator session and local access, it is most plausible as an insider threat or a post-compromise lateral movement step after credentials are stolen. No public exploit identified at time of analysis, and the E:U (unreported exploit maturity) metric in the CVSS vector confirms no known exploit code exists. |
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Alert meAnalysisAIv1 – Jun 08, 2026
Content injection in Palo Alto Networks Broker VM 30.0 (versions prior to 30.0.24) allows an authenticated administrator with local access to inject arbitrary content into certain administrative fields within the appliance. The vulnerability carries a CVSS 4.0 score of 1.1, reflecting its highly constrained exploitation prerequisites: local access, low-privilege authentication, and limited integrity impact with no confidentiality or availability consequences. No public exploit identified at time of analysis, and SSVC assessment confirms no observed exploitation, making this a low-urgency finding for most organizations.
RemediationAI
The vendor-released patch is Broker VM 30.0.24, which resolves the improper input validation defect. Organizations running Broker VM 30.0 prior to 30.0.24 should upgrade to 30.0.24 or later per the Palo Alto Networks advisory at https://security.paloaltonetworks.com/CVE-2026-0238. Because exploitation requires an authenticated administrator session with local access, the immediate compensating control - if patching is delayed - is to enforce strict administrative account hygiene: apply multi-factor authentication to all Broker VM administrator accounts, restrict console and management interface access to dedicated jump hosts, and audit administrator activity logs for anomalous field modifications. These controls directly address the attack surface by limiting who can reach the vulnerable input fields. No significant trade-offs apply to the patch itself; upgrade impact should be assessed per standard Palo Alto Networks VM maintenance procedures.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
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Technical ContextAI · show details
Palo Alto Networks Broker VM is a virtual appliance that functions as an intermediary for cloud-delivered security services, brokering traffic between enterprise environments and Palo Alto's cloud infrastructure. The vulnerability is rooted in CWE-20 (Improper Input Validation), meaning certain administrator-facing input fields in the Broker VM management interface fail to adequately sanitize or restrict the content that can be submitted. This allows injection of arbitrary content - likely affecting stored data, configuration fields, or log entries - rather than achieving remote code execution. The CPE string (cpe:2.3:a:palo_alto_networks:broker_vm:*:*:*:*:*:*:*:*) confirms the flaw is in the Broker VM application itself, and EUVD data narrows the affected scope to the 30.0 release train, specifically builds below 30.0.24.
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Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Primary rating from Vendor (palo_alto) · only source for this CVE.
CVSS VectorVendor: palo_alto
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability in Palo Alto Networks Broker VM allows an authenticated administrator to inject arbitrary content into certain Broker VM fields.
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
Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.
EUVD-2026-30090
GHSA-gxm4-cg9r-54vw
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB