# CVE-2026-17335: Multiple Vulnerabilities in IBM API Connect

Status: published. Published: 2026-11-07. Updated: 2026-11-09.

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary code due to path traversal. File paths in uploaded content are not sufficiently validated, which could allow files to be written outside the intended location and code to be executed.

## Remediation

- fix: IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3
Fix Central Link: https://www.ibm.com/support/pages/node/7290205 (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/7295635

## Affected products and versions

- IBM / API Connect: ≥ 12.1.0.0; ≤ 12.1.1.2 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: ibm

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: 0.83% as of 2026-11-08; percentile 57.94%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- 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/7295635 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7295635 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-17335; retrieved 2026-11-09; source updated 2026-11-09

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17335; retrieved 2026-11-09; source updated 2026-11-09

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-17335; retrieved 2026-11-09; source updated Not reported

Revision: 57afb42d5cdee43131c7eb382a8785f3033b9046994349d33e13ad0ad7935cc4

Canonical: https://y2.dev/cve/CVE-2026-17335

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