CVE-2026-18098: CWE-346 Origin Validation Error
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information and compromise system integrity due to an XML injection flaw.
AI Analysis
Technical Summary
CVE-2026-18098 affects IBM i versions 7.3 through 7.6 and involves an XML injection vulnerability due to improper origin validation (CWE-346). A remote attacker with authentication privileges could exploit this flaw to obtain sensitive information and compromise the integrity of the system. The CVSS v3.1 score is 8.1, indicating a high impact on confidentiality and integrity, with no impact on availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation allows a remote authenticated attacker to access sensitive information and compromise system integrity on affected IBM i versions. The vulnerability does not impact system availability. The high CVSS score reflects significant risk to confidentiality and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit access to trusted authenticated users and monitor for suspicious activity related to XML processing. Follow IBM's security advisories for updates.
CVE-2026-18098: CWE-346 Origin Validation Error
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information and compromise system integrity due to an XML injection flaw.
CVSS v3.1
Score 8.1high
Affected software
IBM
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:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18098 affects IBM i versions 7.3 through 7.6 and involves an XML injection vulnerability due to improper origin validation (CWE-346). A remote attacker with authentication privileges could exploit this flaw to obtain sensitive information and compromise the integrity of the system. The CVSS v3.1 score is 8.1, indicating a high impact on confidentiality and integrity, with no impact on availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation allows a remote authenticated attacker to access sensitive information and compromise system integrity on affected IBM i versions. The vulnerability does not impact system availability. The high CVSS score reflects significant risk to confidentiality and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit access to trusted authenticated users and monitor for suspicious activity related to XML processing. Follow IBM's security advisories for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-28T17:20:00.046Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7ca94fbf8831d539e05c4e
Added to database: 08/12/2026, 17:11:43 UTC
Last enriched: 08/12/2026, 17:26:40 UTC
Last updated: 09/24/2026, 13:47:43 UTC
Views: 41
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