Quick answers
- Is CVE-2026-91756 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91756 being exploited in the wild.
- How severe is CVE-2026-91756?
- High severity, with a CVSS score of 8.1, published 10 November 2026.
- Which products and versions are affected?
- Hitachi Dynamic Link Manager for VMware 8.7.3-00 to 9.0.4-00.
- Is there a fix for CVE-2026-91756?
- Yes: fixed in 9.0.4-01. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-91756 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-91756?
- Check whether you run Hitachi Dynamic Link Manager for VMware 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.
How to fix
- Fixed in: 9.0.4-01
Technical details
The vulnerability is an OS command injection flaw in Hitachi Dynamic Link Manager for VMware versions 8.7.3-00 through 9.0.4-00. The attack requires network access and high complexity conditions (non-standard configuration or race conditions). Successful exploitation grants arbitrary command execution with the privileges of the affected service.
Affected products
- Hitachi Dynamic Link Manager for VMware 8.7.3-00 to 9.0.4-00
Timeline
- 2026-11-10: disclosed