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PatchSiren cyber security CVE debrief

CVE-2026-5515 IBM CVE debrief

IBM App Connect Enterprise versions 13.0.1.0 through 13.0.7.0 stores potentially sensitive information in log files that could be read by a local user. This vulnerability represents an information disclosure risk where authenticated local users with appropriate file system permissions could access sensitive data written to application logs. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) indicates a local attack vector requiring low attack complexity and low privileges, with high impact to confidentiality but no impact to integrity or availability. The vulnerability was published to the NVD on May 27, 2026, and remains under analysis as of that date. IBM has published a security bulletin with remediation guidance.

Vendor
IBM
Product
App Connect Enterprise
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-27
Original CVE updated
2026-06-02
Advisory published
2026-05-27
Advisory updated
2026-06-02

Who should care

Organizations running IBM App Connect Enterprise versions 13.0.1.0 through 13.0.7.0, particularly those in multi-user environments or with compliance requirements for sensitive data handling in application logs. System administrators responsible for IBM middleware security and log management practices should prioritize review.

Technical summary

IBM App Connect Enterprise 13.0.1.0 through 13.0.7.0 writes potentially sensitive information to log files without adequate access controls, allowing local users with file system read permissions to obtain confidential data. The vulnerability is classified as medium severity (CVSS 5.5) with high confidentiality impact. No integrity or availability impacts are associated with this issue.

Defensive priority

medium

Recommended defensive actions

  • Review IBM security bulletin for available patches or configuration guidance
  • Audit log file permissions on IBM App Connect Enterprise systems to restrict access to authorized administrative accounts only
  • Implement log rotation and secure log storage practices to minimize exposure window of potentially sensitive data
  • Monitor for unauthorized access attempts to application log directories
  • Upgrade to a fixed version when available per IBM guidance

Evidence notes

CVE published 2026-05-27; NVD status 'Undergoing Analysis'; IBM PSIRT reference confirms vendor acknowledgment.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-5515 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-5515

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

  • CVE-2026-5515 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5515

    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.