Multiple Vulnerabilities in IBM API Connect

IBM API Connect2026-11-07 05:18 UTC1 min readRead in

Summary

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary code due to a stack-based buffer overflow.

Remediation

Inventory every IBM API Connect deployment, including staging.
No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

CVSS vector

Attack vector: Network
Complexity: Low
Privileges: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected versions

Version	Fixed in
12.1.0.0 – 12.1.1.2	None yet
10.0.8.0 – 10.0.8.12	None yet

Weakness

CWE-121

Timeline

2026-11-07Publicly disclosed

Sources

NVD · CVE