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SAP NetWeaver Portal EUVDEUVD-2026-98198

| CVE-2026-89118 MEDIUM
Files or Directories Accessible to External Parties (CWE-552)
2026-10-13 sap GHSA-7v2g-87xj-pjh4
5.3
CVSS 3.1 · Vendor: sap
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Attack ChainAIDerived

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

  1. Access
    Reach portal over network
  2. Delivery
    Send crafted resource/path request
  3. Exploit
    Bypass access restriction on files
  4. Execution
    Retrieve non-critical application information
  5. Impact
    Use leaked data for further recon

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling File access restriction
MITRE ATT&CK

2 techniques across 1 tactic: Collection

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 reachability to an exposed SAP NetWeaver Enterprise Portal instance; per the CVSS vector (PR:N/UI:N) no authentication or user interaction is needed against affected configurations. The description does not name a specific feature toggle, so the condition is simply that the portal's resource-handling endpoint is network-accessible. The limiting factor is impact scope rather than access: only restricted, non-critical application information is exposed (C:L, I:N, A:N), so a successful attack yields reconnaissance-grade data rather than credentials, code execution, or full file disclosure. Exposure is further limited where the portal is not internet-facing or sits behind a reverse proxy/WAF restricting path traversal patterns.

Impact

This is a moderate-severity information disclosure flaw (CVSS 5.3) in SAP NetWeaver Enterprise Portal, mapped to CWE-552 (Files or Directories Accessible to External Parties) and tagged as Path Traversal. The provided CVSS vector (AV:N/AC:L/PR:N/UI:N) describes a network-reachable, low-complexity, unauthenticated attack requiring no user interaction, which raises exploitability, but the impact is deliberately bounded: Confidentiality is Low (C:L) with no Integrity or Availability impact, and the vendor explicitly states only 'non-critical application information' is exposed. No EPSS score, KEV listing, or POC was provided in the input, so exploitation likelihood cannot be quantified from the data; there is no public exploit identified at time of analysis. The signals are internally consistent - easy to reach but low payoff - so this is best treated as a routine patch-cycle item rather than an emergency, though in SAP environments it is valuable as a reconnaissance primitive that can feed higher-impact follow-on attacks. No key signals conflict; the main gap is the absence of EPSS/KEV/POC telemetry to confirm real-world interest.

Exploit ScenarioDerived

An unauthenticated attacker who can reach the Enterprise Portal over the network sends a crafted request (likely a path-traversal or direct resource reference) to read restricted resources and harvest non-critical application information such as configuration details or file contents. This leaked data has low direct impact but can be used to fingerprint the deployment and plan further targeted attacks. No public proof-of-concept was provided in the input.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 13, 2026

Unauthenticated information disclosure in SAP NetWeaver Enterprise Portal allows remote attackers to bypass resource restrictions and retrieve non-critical application information, producing only a low confidentiality impact (CVSS 5.3). The issue is mapped to CWE-552 and tagged as path traversal, so exposed portals may leak reconnaissance-grade data rather than credentials or code execution. No public exploit identified at time of analysis; exposure is reduced when the portal is not internet-facing or is protected by a reverse proxy/WAF that filters traversal patterns.

RemediationAI

Patch available per vendor advisory: apply the fix described in SAP Note 3789825 and on the SAP Security Patch Day page (https://me.sap.com/notes/3789825, https://url.sap/sapsecuritypatchday); the supplied data does not include an exact fixed version, so confirm the required support package or patch level there before upgrading. If the portal cannot be patched immediately, reduce exposure by removing direct internet reachability and forcing access through VPN/zero-trust controls, restricting or disabling unnecessary resource-handling endpoints, and using a reverse proxy/WAF to reject path traversal sequences including encoded variants; each control has trade-offs, as blocking all traversal-like patterns can break legitimate portal links or encoded paths, and hiding the portal behind VPN can limit legitimate remote access.

Affected VersionsENISA

SAP NetWeaver Enterprise Portal EP-RUNTIME 7.50

Affected Packages

euvd sap_netweaver_enterprise_portal_ep_runtime no fix

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

SAP NetWeaver Enterprise Portal is a web-based portal framework that serves business content and application resources over HTTP/HTTPS; the supplied CPE cpe:2.3:a:sap_se:sap_netweaver_enterprise_portal:*:*:*:*:*:*:*:* uses a wildcard version, so the input data does not bound affected releases to specific build numbers. The root cause class is CWE-552 (Files or Directories Accessible to External Parties), which describes access controls failing to keep restricted resources from external parties; the Path Traversal tag indicates the portal's resource-handling endpoint may accept crafted paths that reach resources outside the intended access scope. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, an unauthenticated remote attacker needs only network reachability to an affected portal, with no user interaction, and the resulting impact is limited to low confidentiality; integrity and availability are untouched. The independent assessment characterizes the data exposed as non-critical application information and reconnaissance-grade rather than credentials, code execution, or full file disclosure, so the flaw should be treated as an access-control and information-leak issue rather than a full compromise vector.

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Severity by source

Vendor (sap) 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

Unauthenticated network access with no user interaction (AV:N/AC:L/PR:N/UI:N); only non-critical info disclosed so C:L, with no Integrity or Availability impact.

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 (sap).

CVSS VectorVendor: sap

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

DescriptionCVE.org

SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to access restricted resources and retrieve non-critical application information, which leads to Low impact on Confidentiality, but there is no impact on Integrity and Availability of the application.

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Prevalence
High
SAP NetWeaver Portal is widely deployed enterprise middleware in large organizations
Social Media
1
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
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
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
High
Technical Impact
Partial

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

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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

Related Vulnerabilities in SAP NetWeaver Enterprise Portal XSS and Access Flaws

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