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IBM i CVE-2026-16674

| EUVDEUVD-2026-58364 HIGH
Untrusted Search Path (CWE-426)
2026-08-13 ibm GHSA-737c-hw7m-jj22
8.8
CVSS 3.1 · Vendor: ibm
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Severity by source

Vendor (ibm) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
8.8 HIGH

Vendor-supplied vector is consistent with description: network-reachable, low-complexity, standard-user credential sufficient, full CIA impact on the vulnerable system.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (ibm).

CVSS VectorVendor: ibm

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Aug 13, 2026 - 20:37 vuln.today
CVE Published
Aug 13, 2026 - 19:38 nvd
HIGH 8.8

DescriptionCVE.org

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an untrusted search path.

AnalysisAI

Remote code execution in IBM i 7.3 through 7.6 is possible for any authenticated remote attacker who can manipulate an untrusted search path used by privileged system components. The CVSS 8.8 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms network accessibility with minimal privilege prerequisites and no user interaction, yielding full confidentiality, integrity, and availability impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The attacker must hold a valid IBM i user credential with sufficient authority to influence the search path resolution - for instance, the ability to modify the job's library list or relevant environment settings. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 rating is internally consistent and credible: AV:N reflects the network-accessible attack surface, AC:L indicates no race conditions or non-default configuration required, and PR:L sets the bar at any valid user credential - a realistic threshold in enterprise IBM i environments that often host numerous service accounts. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the vendor-released patch by following the IBM support page at https://www.ibm.com/support/pages/node/7283286, which provides the specific PTF numbers for each affected IBM i release (7.3, 7.4, 7.5, and 7.6). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all IBM i systems running versions 7.3 through 7.6 and verify your current patch level against IBM security advisories; contact IBM support if patch availability is unclear for your specific systems. …

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CVE-2026-16674 vulnerability details – vuln.today

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