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Vulnerability Technical Deep-Dive
CVE-2026-13460 is a high-severity vulnerability affecting the IBM Storage Scale (formerly IBM Spectrum Scale) Management GUI. The flaw resides in the source code of the GUI component, where a static, hardcoded authentication token is embedded. This token was originally designed to facilitate inter-node cluster communication and REST API authentication between the various GUI instances that manage the storage cluster.
The core issue is a violation of secure coding principles (CWE-798: Use of Hard-coded Credentials). Because the token is static and identical across all installations of the vulnerable versions, any attacker who discovers this token—by decompiling the GUI source code, inspecting client-side JavaScript, or through other reverse-engineering techniques—can impersonate a legitimate GUI node.
The vulnerability is network-accessible and requires no authentication to exploit (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). With a low attack complexity, an unauthenticated remote attacker can leverage this hardcoded token to send crafted REST API requests directly to the Storage Scale management interface. Successful exploitation allows the attacker to read sensitive cluster information, including configuration data, storage metadata, and potentially other operational details exposed through the GUI’s API. The vulnerability impacts IBM Storage Scale versions 5.2.3.0 through 5.2.3.8, and 6.0.0.0 through 6.0.1.0. The issue is resolved in versions 5.2.3.9 and 6.0.1.1 and later.
DailyCVE Form:
Platform: IBM Storage Scale GUI
Version: 5.2.3.0-5.2.3.8, 6.0.0.0-6.0.1.0
Vulnerability: Hardcoded Authentication Token
Severity: HIGH (CVSS 7.5)
Date: 2026-08-13
Prediction: 2026-08-14 (Patch Available)
What Undercode Say:
Analytics & Detection
To determine if your IBM Storage Scale deployment is vulnerable, check the installed version:
Check IBM Storage Scale version /usr/lpp/mmfs/bin/mmversion Alternative method - check GUI package version rpm -qa | grep -i storage-scale Check for the presence of hardcoded token patterns in GUI source (example) grep -r "hardcoded_token_string" /opt/IBM/StorageScale/gui/
Exploit: (Educational Purposes!)
The following conceptual approach demonstrates how an attacker could leverage this vulnerability:
Attacker extracts the hardcoded token from the GUI source code (Token location: /opt/IBM/StorageScale/gui/static/js/main.js or similar) Attacker uses the discovered token to authenticate REST API requests curl -X GET "https://<target-ip>:<gui-port>/rest/v1/cluster/status" \ -H "Authorization: Bearer <EXTRACTED_HARDCODED_TOKEN>" Attacker can enumerate cluster nodes and storage resources curl -X GET "https://<target-ip>:<gui-port>/rest/v1/nodes" \ -H "Authorization: Bearer <EXTRACTED_HARDCODED_TOKEN>"
Protection from this CVE
- Immediate Patch: Upgrade to IBM Storage Scale version 5.2.3.9 or 6.0.1.1 or higher, where the hardcoded token has been removed and replaced with secure authentication mechanisms.
- Network Segmentation: Restrict access to the Storage Scale GUI management port to only trusted administrative networks using firewall rules.
- Monitor Logs: Audit GUI and REST API access logs for unauthorized or anomalous requests originating from unexpected IP addresses.
- Code Review: If custom integrations interact with the GUI API, ensure they are updated to use the new secure authentication method post-upgrade.
Impact
- Confidentiality: High impact. An attacker can read sensitive cluster configuration, storage metadata, and potentially other information exposed via the REST API.
- Integrity: None. The vulnerability does not allow modification of data.
- Availability: None. The vulnerability does not directly cause denial of service.
- Attack Vector: Network-based, remotely exploitable.
- Authentication: None required. The hardcoded token provides the necessary authentication.
- User Interaction: None required.
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Sources:
Reported By: nvd.nist.gov
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