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.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.73%
0%100%
Low · +0.24 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 31-07-2026Last 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 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 score0.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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