Quick answers
- Is CVE-2026-97359 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-97359 being exploited in the wild.
- How severe is CVE-2026-97359?
- Critical severity, with a CVSS score of 10, published 24 September 2026.
- Which products and versions are affected?
- Wgetnz HFS2 2.0.0 through 2.4.0.
- Is there a fix for CVE-2026-97359?
- 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-2026-97359 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-97359?
- Check whether you run Wgetnz HFS2 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
The multipart upload handler fails to properly sanitize template syntax in filenames, allowing template injection via closing quotes and exec macros. An unauthenticated attacker can send a crafted multipart form upload with a malicious filename to bypass authorization checks and achieve remote code execution on the host system. The vulnerability affects versions 2.0.0 through 2.4.0.
Affected products
- wgetnz HFS2 2.0.0 through 2.4.0
Timeline
- 2026-09-24: disclosed