CVE-2026-17262
IBM i is Affected By Denial of Service and Security Restriction Bypass Vulnerabilities in FTP [, ]
MEDIUM
5.4
CVSS Score
Published: September 18, 2026 at 07:20 PM UTC
Updated: September 23, 2026 at 04:17 AM UTC
1 product affected across 1 vendorI
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to cause a denial of service due to improper validation of FTP authentication commands.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.4MEDIUMibm
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-78
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