Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessNetwork probe for Guardium interface
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DeliveryCraft request triggering privilege escalation
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ExploitBypass authentication checks via CWE-269 flaw
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ExecutionObtain elevated access token or session
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PersistRead sensitive key metadata or modify policies
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ImpactCompromise key lifecycle operations
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions are documented in the provided CVE data. The CVSS vector shows AV:N/AC:H/PR:N/UI:N, indicating remote unauthenticated exploitation is theoretically possible against default configurations, but the high complexity (AC:H) requirement means the attack is NOT trivial - specific system states, timing conditions, or request sequences are required that are not present in all deployments. The vulnerability does NOT require user interaction and does NOT require prior authentication, making it exploitable by any network-connected attacker who can satisfy the unspecified high-complexity prerequisites. The scope is unchanged (S:U), meaning the attacker cannot breach the application boundary to impact other systems. Exactly what constitutes the 'high complexity' requirement (whether specific configuration, timing window, protocol sequence, or system state) is not specified in available data and requires vendor clarification. |
| Impact | The CVSS score of 4.8 with AV:N/AC:H/PR:N indicates a medium-low severity rating, but this must be interpreted carefully. The high complexity (AC:H) requirement substantially lowers real-world risk by restricting exploitation to specific edge cases or system states. No EPSS score, POC, or KEV status was provided, preventing quantification of actual exploitation likelihood or prevalence. The lack of active exploitation signals (KEV absent) and no mentioned public exploit code suggest this remains a low-priority vulnerability despite network accessibility. However, the privilege escalation nature and impact on key management systems demands attention from organizations relying on Guardium. The moderate CVSS-to-real-risk delta suggests this is a valid security concern requiring patching but not an emergency requiring immediate out-of-band updates. Verification is needed on whether AC:H reflects a genuine technical barrier or an implementation detail exploitable only under specific configurations. |
| Exploit ScenarioDerived | An attacker on the network without credentials probes the Guardium Key Lifecycle Manager interface for privilege escalation conditions. By crafting specific requests or manipulating system state (the high complexity requirement), the attacker triggers the improper access control flaw, elevating their privileges to read or modify key management policies. The attacker then exfiltrates key metadata or modifies key lifecycle rules to compromise cryptographic operations, but cannot achieve full system compromise or availability impact due to scope and impact limitations. |
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Alert meAnalysisAIv1 – Apr 23, 2026
Improper privilege management in IBM Guardium Key Lifecycle Manager versions 4.1 through 5.1 allows remote unauthenticated attackers to achieve limited confidentiality and integrity compromise through a network attack requiring high complexity. The vulnerability stems from inadequate access control enforcement that permits elevation of privileges without authentication, affecting a widely deployed enterprise key management solution.
RemediationAI
Apply the latest IBM Guardium Key Lifecycle Manager patch version that addresses CVE-2026-1726; users should consult the IBM security advisory at https://www.ibm.com/support/pages/node/7268697 for specific fix version numbers for their current release track. Until patching is possible, implement network segmentation to restrict unauthenticated access to Guardium Key Lifecycle Manager administrative interfaces, ensuring only authorized systems can communicate with the product on affected network ports. Disable unnecessary administrative features or interfaces if not required for operational key lifecycle management. Monitor authentication logs and failed access attempts for suspicious patterns indicative of exploitation attempts. Given the high complexity requirement (AC:H), the vulnerability may be difficult to exploit in production environments, allowing time for planned patching cycles rather than emergency mitigation.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
IBM Guardium Key Lifecycle Manager is an enterprise solution for managing cryptographic key lifecycles across hybrid cloud environments. The vulnerability is rooted in CWE-269 (Improper Access Control), indicating that the application fails to properly enforce authorization checks on sensitive operations. The network-accessible attack vector (AV:N) combined with high complexity (AC:H) suggests the exploit requires specific conditions or manipulation of the system state that are not trivially achievable, though the mechanism does not require prior authentication (PR:N). The affected product handles sensitive key material, making even limited confidentiality and integrity impact significant in cryptographic contexts.
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Primary rating from Vendor (us) · only source for this CVE.
CVSS VectorVendor: us
Lifecycle Timeline
2DescriptionCVE.org
IBM Guardium Key Lifecycle Manager 4.1, 4.1.1, 4.2, 4.2.1, 5.0, and 5.1
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
EUVD-2026-25127
GHSA-26px-prvq-fgpx
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB