CVE-2026-17339 — CRITICAL (9.1)

Vulnerability Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

LOW

Related Weaknesses (CWE)

CWE-22

References

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

FAQ

What is CVE-2026-17339?

CVE-2026-17339 is a vulnerability with a CVSS score of 9.1 (CRITICAL). IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.

How severe is CVE-2026-17339?

CVE-2026-17339 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-17339?

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