CVE-2026-1567 Vulnerability Analysis & Exploit Details

CVE-2026-1567
Vulnerability Scoring

7.1
/10
Very High Risk

Highly exploitable, CVE-2026-1567 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-1567 Details

Status: Awaiting Analysis

Published on: 03 Mar 2026, 21:15 UTC

CVSS Release: version 3

CVSS3 Source

psirt@us.ibm.com

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CVE-2026-1567 Vulnerability Summary

CVE-2026-1567: IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 An XML External Entity (XXE) vulnerability in IBM InfoSphere Information Server could allow attackers to retrieve sensitive information from the server.

Assessing the Risk of CVE-2026-1567

Access Complexity Graph

The exploitability of CVE-2026-1567 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-1567

CVE-2026-1567 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-1567, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-1567, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-1567 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2026-1567 poses no threat to data integrity.
  • Availability: High
    CVE-2026-1567 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-1567 References

External References

CWE Common Weakness Enumeration

CWE-611

CAPEC Common Attack Pattern Enumeration and Classification

  • Data Serialization External Entities Blowup CAPEC-221 This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.

Protect Your Infrastructure against CVE-2026-1567: Combat Critical CVE Threats

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