CVE-2026-13257
IBM DataPower Gateway Insufficient Verification of Data Authenticity
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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 an authenticated user to forge signature requests due to improper verification of data authenticity.
| CWE | CWE-345 |
| Vendor | ibm |
| Product | datapower gateway 10.6cd |
| Published | Oct 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
IBM / DataPower Gateway 10.6CD
10.6.1 ≤ 10.6.6
IBM / DataPower Gateway 10.6.0
10.6.0.0 ≤ 10.6.0.10
IBM / DataPower Gateway 11.0.0
11.0.0.0 ≤ 11.0.0.2
IBM / DataPower Gateway 10.5.0
10.5.0.0 ≤ 10.5.0.22