IBM i is Affected By Remote Code Execution Vulnerability []
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an uncontrolled search path element.
- Published
- Aug 12, 2026
- Updated
- Aug 13, 2026
- EPSS
- 0.7% · 53th percentile
- CWE
- CWE-427
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Report tools
Action score
39
Monitor
Low priority for now.
- CVSS
- 39 / 40 · 9.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.7%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 9.9
- CNA · ibm
- 9.9
- agree
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| ibm | i | cpe:2.3:a:ibm:i |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- ibm i7.3 and later · up to 7.6 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (ibm). Independent of NVD's CPE analysis and usually ahead of it.
IBM i
- 7.6, 7.5, 7.4, 7.3affected
Same product
ibm: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-18193IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime40Plan
- CVE-2026-18221IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]39Monitor
- CVE-2026-18249IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime39Monitor
- CVE-2026-17206IBM i is Affected By Multiple Vulnerabilities in Host Servers39Monitor
- CVE-2026-16961IBM i is Affected By SQL Injection Vulnerability in Db2 Mirror []39Monitor
- CVE-2026-16867IBM i is Affected By Multiple Vulnerabilities in NetServer39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-787062 days apartIBM i is Affected by Privilege Escalation []35Monitor
- CVE-2025-36004414 days apartIBM i privilege escalation35Monitor
- CVE-2024-55898535 days apartIBM i privilege escalation34Monitor
- CVE-2025-33122421 days apartIBM i privilege escalation30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-427 · Uncontrolled Search Path ElementCVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
- Hijack Execution Flow:DLL search order hijackingT1574.001
- Hijack Execution Flow: Dylib HijackingT1574.004
- Hijack Execution Flow: Path Interception by PATH Environment VariableT1574.007
- Hijack Execution Flow: Path Interception by Search Order HijackingT1574.008
- Hijack Execution Flow: Path Interception by Unquoted PathT1574.009
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.