CVE-2026-16878: CWE-125 Out-of-bounds Read
CVE-2026-16878 is an out-of-bounds read vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. It allows a remote authenticated attacker to obtain sensitive information. The vulnerability has a medium severity with a CVSS score of 5.4. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
IBM i versions 7.3 through 7.6 contain a vulnerability classified as CWE-125 (Out-of-bounds Read) that could be exploited by a remote attacker with valid authentication to read sensitive information beyond intended memory boundaries. This vulnerability does not require user interaction and has a low attack complexity. The impact is limited to confidentiality and availability, with no integrity impact reported. No vendor advisory or patch information is currently available.
Potential Impact
An authenticated remote attacker could exploit this vulnerability to read sensitive information from memory that should not be accessible, potentially leading to information disclosure. The vulnerability also has a minor impact on system availability. There is no indication of integrity compromise or active exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific mitigations are provided by the vendor at this time.
CVE-2026-16878: CWE-125 Out-of-bounds Read
Description
CVE-2026-16878 is an out-of-bounds read vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. It allows a remote authenticated attacker to obtain sensitive information. The vulnerability has a medium severity with a CVSS score of 5.4. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 5.4medium
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:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i versions 7.3 through 7.6 contain a vulnerability classified as CWE-125 (Out-of-bounds Read) that could be exploited by a remote attacker with valid authentication to read sensitive information beyond intended memory boundaries. This vulnerability does not require user interaction and has a low attack complexity. The impact is limited to confidentiality and availability, with no integrity impact reported. No vendor advisory or patch information is currently available.
Potential Impact
An authenticated remote attacker could exploit this vulnerability to read sensitive information from memory that should not be accessible, potentially leading to information disclosure. The vulnerability also has a minor impact on system availability. There is no indication of integrity compromise or active exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific mitigations are provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T04:44:26.934Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e2501bf8831d539bec083
Added to database: 08/13/2026, 20:11:45 UTC
Last enriched: 08/21/2026, 13:46:15 UTC
Last updated: 09/29/2026, 01:47:40 UTC
Views: 72
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