# CVE-2025-66485: IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.

Source: https://junglewise.ai/threats/cve-2025-66485-ibm-aspera-shares-1-9-9-through-1-11-0-is-vulnerable-to-http  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-01  
License: CC BY 4.0 with a link back

CVE-2025-66485 · Severity: medium · CVSS 5.4 · Published 2026-04-01

IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.  This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

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

## Quick answers

**Is CVE-2025-66485 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-66485 being exploited in the wild.

**How severe is CVE-2025-66485?** Medium severity, with a CVSS score of 5.4, published 1 April 2026.

**Which products and versions are affected?** IBM Aspera Shares. The advisory does not name versions.

**Is there a fix for CVE-2025-66485?** 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.

**Am I affected by CVE-2025-66485?** Check whether you run IBM Aspera Shares. 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.

## Affected products

- IBM Aspera Shares

## Related threats

- [IBM Aspera Shares 1.9.9 through 1.11.0 does not properly rate limit the frequency that an authenticated user can send…](https://junglewise.ai/threats/cve-2025-66487-ibm-aspera-shares-1-9-9-through-1-11-0-does-not-properly-rate)
- [IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML…](https://junglewise.ai/threats/cve-2025-66486-ibm-aspera-shares-1-9-9-through-1-11-0-is-vulnerable-to-html)
- [IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to stored cross-site scripting. This vulnerability allows users…](https://junglewise.ai/threats/cve-2025-66484-ibm-aspera-shares-1-9-9-through-1-11-0-is-vulnerable-to-stored)
- [IBM Aspera Shares 1.9.9 through 1.11.0 does not invalidate session after a password reset which could allow an…](https://junglewise.ai/threats/cve-2025-66483-ibm-aspera-shares-1-9-9-through-1-11-0-does-not-invalidate)
- [IBM Aspera Shares 1.9.9 through 1.11.0 uses weaker than expected cryptographic algorithms that could allow an attacker…](https://junglewise.ai/threats/cve-2025-13916-ibm-aspera-shares-1-9-9-through-1-11-0-uses-weaker-than-expected)