9.8

CVE-2026-15435: ibm app connect enterprise Path Traversal

CVSS: 9.8v3.1CriticalAnalyzed
Published 30-07-2026Last modified 31-07-2026

Vulnerability summary

CVE-2026-15435 is a critical (CVSS 9.8) Path Traversal vulnerability in ibm app connect enterprise. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.73%
0%100%
Low · +0.24 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 31-07-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.24 pp

From 0.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product
  • app connect enterprise≥ 13.0.1.0, ≤ 13.0.7.2 | ≥ 12.0.1.0, ≤ 12.0.12.27 | ≥ 12.0.1.0, < 12.0.12.28 | ≥ 13.0.1.0, < 13.0.8.0

1 vendor · 1 product

References

1 links