CVE-2026-18509
IBM i is Affected By A Prvilege Escalation Vulnerability []
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system.
INFO
Published Date :
Aug. 13, 2026, 9:17 p.m.
Last Modified :
Aug. 13, 2026, 9:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply IBM i security updates.
- Restrict debugger access.
- Review system privileges.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-18509.
| URL | Resource |
|---|---|
| https://www.ibm.com/support/pages/node/7283279 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-18509 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-18509
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-18509 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18509 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*', 'cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*'], 'vendor': 'IBM', 'product': 'i', 'versions': [{'status': 'affected', 'version': '7.6'}, {'status': 'affected', 'version': '7.5'}, {'status': 'affected', 'version': '7.4'}, {'status': 'affected', 'version': '7.3'}]}] Added Description IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system. Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N Added CWE CWE-285 Added Reference https://www.ibm.com/support/pages/node/7283279