CVE-2026-17355 — HIGH (8.2)

Vulnerability Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from internal network resources due to server-side request forgery. Destination checks on outbound requests can be bypassed, which could allow the server to reach internal systems that should be blocked.

CVSS Score

8.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-918

References

https://www.ibm.com/support/pages/node/7295635

FAQ

What is CVE-2026-17355?

CVE-2026-17355 is a vulnerability with a CVSS score of 8.2 (HIGH). IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from internal network resources due to server-side request forgery. Destination ch...

How severe is CVE-2026-17355?

CVE-2026-17355 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17355?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.