Vulnerability · Published Oct 8, 2026 · Assigned by ibm
CVE-2026-13257IBM DataPower Gateway Insufficient Verification of Data Authenticity
Medium 6.5
In plain English
A medium-severity insufficient verification of data authenticity in DataPower Gateway 10.5.0 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | DataPower Gateway 10.6CD | 10.6.1 – through 10.6.6 |
| IBM | DataPower Gateway 10.6.0 | 10.6.0.0 – through 10.6.0.10 |
| IBM | DataPower Gateway 11.0.0 | 11.0.0.0 – through 11.0.0.2 |
| IBM | DataPower Gateway 10.5.0 | 10.5.0.0 – through 10.5.0.22 |
Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7289775 vendor-advisory, patch