CVE-2026-17309 — HIGH (8.0)

Vulnerability Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and tamper with configuration due to improper certificate validation.

CVSS Score

8.0

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-295

References

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

FAQ

What is CVE-2026-17309?

CVE-2026-17309 is a vulnerability with a CVSS score of 8.0 (HIGH). IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and tamper with configuration due to improper certificate validation.

How severe is CVE-2026-17309?

CVE-2026-17309 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17309?

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