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PatchSiren cyber security CVE debrief

CVE-2026-4051 IBM CVE debrief

IBM Engineering Lifecycle Management (ELM) versions 7.0.3, 7.1.0, and 7.2.0 contain an exposed method that is not properly restricted, allowing an attacker with administrative privileges to execute remote code. The vulnerability stems from improper access control (CWE-749) on an administrative interface method. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, and high impact across confidentiality, integrity, and availability. IBM has published a security bulletin with remediation guidance. As of the CVE publication date of May 26, 2026, the NVD entry remains under analysis. No known exploitation in ransomware campaigns has been documented, and the vulnerability has not been added to CISA's Known Exploited Vulnerabilities catalog.

Vendor
IBM
Product
Engineering Lifecycle Management
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-26
Original CVE updated
2026-05-27
Advisory published
2026-05-26
Advisory updated
2026-05-27

Who should care

Organizations running IBM Engineering Lifecycle Management 7.0.3, 7.1.0, or 7.2.0; security teams managing administrative access controls; DevOps and engineering teams relying on ELM for lifecycle management; compliance officers tracking vendor security advisories

Technical summary

The vulnerability exists in IBM Engineering Lifecycle Management versions 7.0.3, 7.1.0, and 7.2.0 due to an exposed method lacking proper access restrictions. An attacker with existing administrative privileges can leverage this weakness to achieve remote code execution. The attack requires network access but no user interaction, with high privileges serving as the primary barrier to exploitation. The CVSS 3.1 score of 7.2 reflects significant impact potential despite the privileged access requirement.

Defensive priority

HIGH

Recommended defensive actions

  • Review IBM security bulletin for available patches or mitigation guidance for affected ELM versions
  • Restrict administrative access to IBM Engineering Lifecycle Management systems to trusted personnel only
  • Monitor administrative account activity for anomalous behavior
  • Apply principle of least privilege to administrative accounts
  • Verify that administrative interfaces are not exposed to untrusted networks
  • Review application logs for unauthorized method invocations
  • Contact IBM support if running affected versions without available patch guidance

Evidence notes

Official CVE record published 2026-05-26T19:16:28.990Z; modified 2026-05-26T21:16:44.300Z. NVD status: Undergoing Analysis. IBM PSIRT reference confirms vendor acknowledgment. CVSS 3.1 score 7.2 (HIGH) with vector AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. CWE-749 (Exposed Dangerous Method or Function) identified as root cause.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-4051 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-4051

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-4051 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-4051

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.