CVE-2026-15435

CRITICAL
INFO Priority: 0.07 BB Relevance: 80/100
Published: 2026-07-30 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
ibm app_connect_enterprise 12.0.1.0 – 12.0.12.28
ibm app_connect_enterprise 13.0.1.0 – 13.0.8.0

References & Advisories (1)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.73%
Raw Score 0.007340
Percentile 54.2%
Date 2026-10-28

Intelligence Sources

nvd ref →