Vulnerability details

CVE-2026-16709

IBM API Connect

Multiple Vulnerabilities in IBM API Connect

CVSS 3.1

8.7High

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 execute arbitrary JavaScript in the victim's browser due to cross-site scripting. User-supplied input is not properly neutralized when a web page is updated, so script content could run in another user's session.

CVSS scores

Score	Version	Source	Vector
8.7High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	API Connect	10.0.8.0 ≤ v ≤ 10.0.8.12	CVEProject cvelistV5 (CNA)
IBM	API Connect	12.1.0.0 ≤ v ≤ 12.1.1.2	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7295635 vendor-advisorypatch
https://www.ibm.com/support/pages/node/7295637 vendor-advisorypatch

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Details

Published: 2026-11-07
Last updated: 2026-11-07
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.43%

Probability of exploitation in 30 days

38.2%

Percentile (among all CVEs)

Weaknesses (CWE)

CWE-79
Improper Neutralization of Input During Web Page Generation