What is the CVSS score of EUVD-2026-77796?

EUVD-2026-77796 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a patch available for EUVD-2026-77796?

Yes, a patch is available for EUVD-2026-77796. Update the affected software to the latest version immediately.

Websphere Application Server EUVD-2026-77796

| CVE-2026-16435 MEDIUM

Trusting HTTP Permission Methods on the Server Side (CWE-650)

2026-09-14 ibm

GHSA-55wm-9r68-hmf9

Authentication Bypass IBM Websphere Application Server

5.9

CVSS 3.1 · Vendor: ibm

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Vulnerability Assessment

Weakness

CWE

CWE-650

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 – Sep 15, 2026

An authentication bypass in IBM WebSphere Application Server 8.5 and 9.0 allows remote attackers to reach protected resources without valid credentials when the XD or Intelligent-Management features are in use. Successful exploitation yields unauthorized access to confidential data (C:H) with no direct integrity or availability impact, consistent with the CWE-650 (trusting HTTP permission methods) classification. IBM has published an advisory and patch (node/7286610); no public exploit code or CISA KEV listing was present in the supplied intelligence, so active exploitation is unconfirmed.

Affected VersionsENISA

WebSphere Application Server 8.5

WebSphere Application Server 9.0

Affected Packages

euvd websphere_application_server no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (ibm) PRIMARY 5.9 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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

CVSS VectorVendor: ibm

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionCVE.org

IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features.

Threat Intelligence Overview

EPSS Score

0.3%

Top 77% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +30

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

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

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References

Advisories & patches

PATCH https://www.ibm.com/support/pages/node/7286610 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-16435

Search Externally

GitHub PoC

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