CVE-2026-16340NVD

Vulnerability 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 a remote attacker to execute arbitrary code due to an out-of-bounds write in the RFC2047 encoded-word parser.

Severity Level

CRITICAL(9.8)

Published Date

Oct 8, 2026

Last Modified

Oct 15, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.49%Probability

Root Weakness (CWE)

CWE-787: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Ibm Datapower Gateway >= 10.5.0.0 and < 10.5.0.23
Ibm Datapower Gateway >= 10.6.0.0 and < 10.6.0.11
Ibm Datapower Gateway >= 10.6.1.0 and < 11.0.0.3
Ibm Datapower Gateway >= 11.0.0.0 and < 11.0.0.3

Patched Versions

Ibm Datapower Gateway 10.5.0.23
Ibm Datapower Gateway 10.6.0.11
Ibm Datapower Gateway 11.0.0.3

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