CVE-2026-17337 — HIGH (7.4)

Vulnerability Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to bypass authentication due to improper certificate validation. A certificate check is not performed reliably in all cases, which could allow a connection to be accepted without proper authentication.

CVSS Score

7.4

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-362

References

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

FAQ

What is CVE-2026-17337?

CVE-2026-17337 is a vulnerability with a CVSS score of 7.4 (HIGH). IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to bypass authentication due to improper certificate validation. A certificate check is not performed reliably in ...

How severe is CVE-2026-17337?

CVE-2026-17337 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17337?

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