# CVE-2026-17437: IBM App Connect Enterprise is vulnerable to an arbitrary file write

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2, and 12.0.1.0 through 12.0.12.29 could allow a local attacker to perform an arbitrary file write due to improper validation of pathnames during archive extraction.

## Remediation

- fix: 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 - 13.0.8.2IT50104

The APAR (IT50104) is available from



 IBM App Connect Enterprise v13- Fix Pack Release 13.0.9.0 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-13090 

IBM App Connect Enterprise12.0.1.0 - 12.0.12.29IT50104

The APAR (IT50104) is available from



 IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.30 https://www.ibm.com/support/pages/download-ibm-app-connect-enterprise-1201230-fix-pack (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7293001

## Affected products and versions

- IBM / App Connect Enterprise: ≥ 13.0.1.0; ≤ 13.0.8.2 (affected, semver); ≥ 12.0.1.0; ≤ 12.0.12.29 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 5.5 (medium); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N; source: CNA: ibm

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7293001 (CNA: ibm; vendor-advisory, patch)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-17437; retrieved 2026-11-08; source updated 2026-11-08

Revision: b90180bcb34f7e37d34be81fb286ca78954564fb7030a5916a24456536680c63

Canonical: https://y2.dev/cve/CVE-2026-17437

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