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01 Record

CVE-2026-15435

IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability

CriticalPUBLISHEDCNA: ibm
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 53.9% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-23.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-07-30 14:08Z3 MO AGO
Last updated
2026-07-31 16:10Z3 MO AGO
Reserved
2026-07-10
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.2
Document digest
ddf3f46b76f725d2a220fbddb83cae1af4ab949dc497a6d33307b102921ed764

05 Affected products

VendorProductVersionsPlatforms
IBMApp Connect Enterprise13.0.1.0 to 13.0.7.2, 12.0.1.0 to 12.0.12.27—

06 References

07 Remediation

IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise Affected Product(s)Version(s)APARRemediation / FixesIBM App Connect Enterprise13.0.1.0 - 13.0.7.2IT49737 The APAR (IT49737) is available from IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.0 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-13080 IBM App Connect Enterprise12.0.1.0 - 12.0.12.27IT49737 The APAR (IT49737) is available from IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.28 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-1201228-fix-pack