Vulnerability · Published Nov 7, 2026 · Assigned by ibm

CVE-2026-17410Multiple Vulnerabilities in IBM API Connect

Critical 9.9

In plain English

A critical-severity argument injection in API Connect from IBM. There are no confirmed reports of exploitation so far.

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)–no EPSS score yet
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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 access and modify other tenants' portal data due to improper neutralization of argument delimiters.

Affected products (as reported)

VendorProductVersions
IBM API Connect 12.1.0.0 – through 12.1.1.210.0.8.0 – through 10.0.8.12

Weakness: CWE-88 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References