Quick answers
- Is CVE-2026-91754 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91754 being exploited in the wild.
- How severe is CVE-2026-91754?
- 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-2026-91754?
- 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-2026-91754 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-91754?
- 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
A stack-based buffer overflow exists in Hitachi Dynamic Link Manager for VMware versions 8.7.3-00 through 9.0.4-00. The vulnerability is reachable over the network without authentication but requires specific conditions (high AC), and an attacker can achieve code execution with full confidentiality, integrity, and availability impact.
Affected products
- Hitachi Dynamic Link Manager for VMware 8.7.3-00 to 9.0.4-00
Timeline
- 2026-11-10: disclosed