Vulnerability · Published Jul 30, 2026 · Assigned by ibm

CVE-2026-15435IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability

Critical 9.8

In plain English

A critical-severity path traversal in App Connect Enterprise from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

Affected products (as reported)

VendorProductVersions
IBM App Connect Enterprise 13.0.1.0 – through 13.0.7.212.0.1.0 – through 12.0.12.27

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References