CVE-2026-14507 IBM CVE debrief

Who should care

Defenders responsible for IBM DataPower Gateway 11.0.0 systems, vulnerability management teams, and security operators should assess exposure and prioritize remediation. This vulnerability requires attention due to its high CVSS score and potential for denial of service attacks. Affected operators and platforms must review and verify system configurations, and plan for vendor-supported updates or mitigations through

Why it matters

Defenders should prioritize remediation of IBM DataPower Gateway 11.0.0 systems to prevent potential denial of service attacks. The vulnerability requires authentication and has a high CVSS score, indicating a significant risk. However, the exact scope of affected systems and potential impact require verification from official sources.

• Denial of service due to improper memory allocation

Technical summary

IBM DataPower Gateway 11.0.0.0 through 11.0.0.2 is vulnerable to an out-of-bounds write attack. This could allow a remote authenticated attacker to cause a denial of service due to improper memory allocation during key derivation. The vulnerability has a high CVSS score of 7.7, indicating significant risk. However, defenders must verify affected scope and potential impact using official sources and vendor advisories.

Defensive priority

Remediate affected systems

Recommended defensive actions

• Remediate affected IBM DataPower Gateway 11.0.0 systems
• Verify system configurations against vendor patch guidance
• Review compensating controls for exposed systems
• Monitor relevant logs for exposed assets
• Inventory affected assets for follow-up

Evidence notes

The CVE record indicates that IBM DataPower Gateway 11.0.0.0 through 11.0.0.2 could allow a remote authenticated attacker to cause a denial of service due to improper memory allocation during key derivation.

Sources and 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.