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Fencer Intel
medium 6.5

CVE-2026-13257 json

IBM DataPower Gateway Insufficient Verification of Data Authenticity

published last mo. modified 26d ago also EUVD-2026-95001

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

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 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.

Patch / fix

  • ibm datapower_gateway 10.5.0.23, 10.6.0.11, 11.0.0.3

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
30d ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

  • IBM DataPower Gateway 10.6CD
  • IBM DataPower Gateway 10.6.0
  • IBM DataPower Gateway 11.0.0
  • IBM DataPower Gateway 10.5.0

Classification

Weakness
  • CWE-345 Insufficient Verification of Data Authenticity

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.