All vulnerabilities
CVE-2026-14991

IBM DataPower Gateway Out-of-bounds Write

IBM DataPower Gateway 10.6CDNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.41%Chance of exploitation activity in the next 30 days, higher than 34% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published8 Oct 2026Updated 10 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

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.

Text from CVE List

Affected versions 4

  • DataPower Gateway 10.6CDaffected: 10.6.1 through 10.6.6CVE List
  • DataPower Gateway 10.6.0affected: 10.6.0.0 through 10.6.0.10CVE List
  • DataPower Gateway 11.0.0affected: 11.0.0.0 through 11.0.0.2CVE List
  • DataPower Gateway 10.5.0affected: 10.5.0.0 through 10.5.0.22CVE List

References 1