# CVE-2026-14958: IBM Aspera Faspex OS command injection via shell interpolation

Source: https://junglewise.ai/threats/cve-2026-14958-ibm-aspera-faspex-os-command-injection-via-shell-interpolation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-28. Updated: 2026-07-28  
License: CC BY 4.0 with a link back

CVE-2026-14958 · Severity: critical · CVSS 9.1 · Published 2026-07-28

IBM Aspera Faspex 5, a high-speed file transfer solution, is vulnerable to a security flaw that could allow an authorized user to take control of the server. By exploiting a weakness in how the system processes commands, an attacker with high-level permissions can execute unauthorized code. This could lead to a complete compromise of the system, including the theft of sensitive data or disruption of file transfer operations.

Technologies: [IBM Aspera Faspex](https://junglewise.ai/threats/technologies/aspera-faspex). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-14958 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-14958 being exploited in the wild.

**How severe is CVE-2026-14958?** Critical severity, with a CVSS score of 9.1, published 28 July 2026.

**Which products and versions are affected?** IBM Aspera Faspex 5.0.0 through 5.0.15.4.

**Is there a fix for CVE-2026-14958?** A patch was published on 2026-07-28: Vulnerability addressed in version 5.0.16. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-14958 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-14958?** Check whether you run IBM Aspera Faspex at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

IBM Aspera Faspex 5 (versions 5.0.0 through 5.0.15.4) is vulnerable to OS command injection (CWE-78) resulting from unquoted shell interpolation. A remote authenticated attacker with high privileges (PR:H) can exploit this vulnerability to execute arbitrary commands on the underlying operating system. The vulnerability is characterized by a scope change (S:C), indicating that an exploit can impact components beyond the Faspex application itself. IBM has addressed this issue in version 5.0.16.

## Affected products

- IBM Aspera Faspex 5 5.0.0 through 5.0.15.4

## Timeline

- 2026-07-28: advisory: IBM published the security bulletin and NVD record.
- 2026-07-28: patched: Vulnerability addressed in version 5.0.16.

## References

- [https://www.ibm.com/support/pages/node/7280530](https://www.ibm.com/support/pages/node/7280530)

## Related threats

- [IBM Aspera Faspex authorization bypass](https://junglewise.ai/threats/cve-2026-123218-ibm-aspera-faspex-5-0-0-through-5-0-19-could-allow-an-authorized)
- [IBM Aspera Faspex insufficient session expiration](https://junglewise.ai/threats/cve-2026-14996-ibm-aspera-faspex-insufficient-session-expiration)
- [IBM Aspera Faspex shell command injection](https://junglewise.ai/threats/cve-2026-14959-ibm-aspera-faspex-shell-command-injection)
- [IBM Aspera Faspex 5 5.0.0 through 5.0.14.1 is vulnerable to HTML injection. A remote attacker could inject malicious…](https://junglewise.ai/threats/cve-2025-36230-ibm-aspera-faspex-5-5-0-0-through-5-0-14-1-is-vulnerable-to-html)
- [IBM Aspera Faspex 5 5.0.0 through 5.0.14.1 could allow authenticated users to enumerate sensitive information of data…](https://junglewise.ai/threats/cve-2025-36229-ibm-aspera-faspex-5-5-0-0-through-5-0-14-1-could-allow)