# CVE-2026-8175: IBM Aspera High-Speed Transfer heap overflow in asperahttpd

Source: https://junglewise.ai/threats/cve-2026-8175-ibm-aspera-high-speed-transfer-heap-overflow-in-asperahttpd  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-27. Updated: 2026-05-27  
License: CC BY 4.0 with a link back

CVE-2026-8175 · Severity: critical · CVSS 9.8 · Published 2026-05-27

IBM Aspera High-Speed Transfer products, which are used for rapid large-scale data transfers, contain a critical security flaw in their web handling component. An attacker could exploit this to crash the service, bypass security controls, or take full control of the server. This could lead to unauthorized access to sensitive files, data theft, or a complete disruption of file transfer operations.

Technologies: [IBM Aspera High-Speed Transfer Endpoint](https://junglewise.ai/threats/technologies/aspera-high-speed-transfer-endpoint), [IBM Aspera High-Speed Transfer Server](https://junglewise.ai/threats/technologies/aspera-high-speed-transfer-server). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-8175 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-8175 being exploited in the wild.

**How severe is CVE-2026-8175?** Critical severity, with a CVSS score of 9.8, published 27 May 2026.

**Which products and versions are affected?** IBM Aspera High-Speed Transfer Endpoint 3.7.4 through 4.4.7 Fix Pack 1; IBM Aspera High-Speed Transfer Server 3.7.4 through 4.4.7 Fix Pack 1.

**Is there a fix for CVE-2026-8175?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-8175 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-8175?** Check whether you run IBM Aspera High-Speed Transfer Endpoint or IBM Aspera High-Speed Transfer Server 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

A heap-based buffer overflow (CWE-122) exists in the asperahttpd component of IBM Aspera High-Speed Transfer Server and Endpoint. The vulnerability is reachable over the network without authentication (AV:N/AC:L/PR:N/UI:N). By sending specially crafted requests to the affected component, a remote attacker can trigger the overflow to cause a denial of service (service crash), bypass authentication mechanisms, or achieve arbitrary remote code execution (RCE) with the privileges of the asperahttpd process. IBM has released 4.4.7 Fix Pack 2 to address this issue.

## Affected products

- IBM Aspera High-Speed Transfer Endpoint 3.7.4 through 4.4.7 Fix Pack 1
- IBM Aspera High-Speed Transfer Server 3.7.4 through 4.4.7 Fix Pack 1

## Timeline

- 2026-05-21: advisory: Initial publication by IBM
- 2026-05-22: other: Updated product versions in advisory
- 2026-05-27: disclosed: NVD publication date

## References

- [https://www.ibm.com/support/pages/node/7273615](https://www.ibm.com/support/pages/node/7273615)

## Related threats

- [IBM Aspera High-Speed Transfer path traversal in asperahttpd](https://junglewise.ai/threats/cve-2026-9035-ibm-aspera-high-speed-transfer-path-traversal-in-asperahttpd)
- [IBM Aspera High-Speed Transfer denial of service in asperahttpd](https://junglewise.ai/threats/cve-2026-8180-ibm-aspera-high-speed-transfer-denial-of-service-in-asperahttpd)
- [IBM Aspera High-Speed Transfer stack overflow in asperahttpd](https://junglewise.ai/threats/cve-2026-8179-ibm-aspera-high-speed-transfer-stack-overflow-in-asperahttpd)
- [IBM Aspera HSTS authentication bypass in CP4I](https://junglewise.ai/threats/cve-2026-7876-ibm-aspera-hsts-authentication-bypass-in-cp4i)