Hitachi Dynamic Link Manager up to 8.6.2.-00 symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.18+

Summaryinfo

A vulnerability classified as very critical was found in Hitachi Dynamic Link Manager up to 8.6.2.-00. This impacts an unknown function. Executing a manipulation can lead to symlink. This vulnerability is tracked as CVE-2026-91763. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Hitachi Dynamic Link Manager up to 8.6.2.-00 and classified as very critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

UNIX Symbolic Link (Symlink) Following Vulnerability in Hitachi Dynamic Link Manager for Linux. This issue affects Hitachi Dynamic Link Manager for Linux: from 8.6.2.-00 before 9.0.5-00.

The advisory is shared for download at hitachi.com. This vulnerability was named CVE-2026-91763 since 09/15/2026. The exploitation appears to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/10/2026).

Upgrading to version 9.0.5-00 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (Hitachi): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Dynamic Link Manager 9.0.5-00

Timelineinfo

09/15/2026 CVE reserved
11/10/2026 +56 days Advisory disclosed
11/10/2026 +0 days VulDB entry created
11/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: hitachi.com

Advisory: hitachi.com
Status: Confirmed

CNA: Hitachi
CVE: CVE-2026-91763 (🔒)

GCVE (CVE): GCVE-0-2026-91763
GCVE (VulDB): GCVE-100-433552

Entryinfo

Created: 11/10/2026 05:57
Changes: 11/10/2026 05:57 (62)
Complete: 🔍
Cache ID: 216::103

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