CVE-2026-14988
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to buffer overflow.
Risk Assessment
The vulnerability could allow an attacker to execute arbitrary code or cause a service crash, leading to a breach of confidentiality, integrity, or availability.
Recommendation
Update IBM DataPower Gateway to the latest version containing the fix. Contact IBM for patch details.
Other vulnerabilities in IBM DataPower Gateway
See all- CVE-2026-14992Critical
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 vulnerable to buffer overflow.
- CVE-2026-14502Critical
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to obtain administrative access due to failure to reject empty passwords during LDAP authentication.
- CVE-2026-14269Critical
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. An unauthenticated remote attacker could overflow the buffer and execute arbitrary code on the system.
- CVE-2026-15762Critical
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.
- CVE-2026-14991Critical
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.
- CVE-2026-14990Critical
IBM DataPower Gateway 10.6.0.0 through 10.6.0.10 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
- CVE-2026-16340Critical
IBM DataPower Gateway versions 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 contain an out-of-bounds write vulnerability in the RFC2047 encoded-word parser, which could allow a remote attacker to execute arbitrary code.
- CVE-2026-14999High
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to bypass authentication by forging valid JSON Web Signatures due to improper verification of cryptographic signatures.
- CVE-2026-14905High
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
- CVE-2026-14888High
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to a heap-based buffer overflow.
Original NVD description (English source)
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to buffer overflow.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

