Medium severity · published Oct 8, 2026
CVE-2026-13257
IBM DataPower Gateway Insufficient Verification of Data Authenticity
6.5
CVSS
0.1%
EPSS
No
On KEV
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 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DG
DataPower Gateway 10.5.0 · IBM
10.5.0.0 through 10.5.0.22 · source: vendor
DG
DataPower Gateway 10.6.0 · IBM
10.6.0.0 through 10.6.0.10 · source: vendor
DG
DataPower Gateway 10.6CD · IBM
10.6.1 through 10.6.6 · source: vendor
DG
DataPower Gateway 11.0.0 · IBM
11.0.0.0 through 11.0.0.2 · source: vendor
DG
Datapower Gateway · Ibm
10.5.0.0 before 10.5.0.23; 10.6.0.0 before 10.6.0.11; 10.6.1.0 before 11.0.0.3; 11.0.0.0 before 11.0.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-13257
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13257
vendor-advisory
https://www.ibm.com/support/pages/node/7289775
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