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CVE-2026-18800

MEDIUMCVSS 4.4/10

Last modified

CVE-2026-18800 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. When an Event Publisher output adapter is configured with properties that are irrelevant to its function, the affected products log these irrelevant properties. This can inadvertently include sensitive user credentials or other confidential information depending on the nature of the misconfigured property. A malicious actor with access to the 'wso2carbon' log files could retrieve sensitive information logged by the system.

Description

When an Event Publisher output adapter is configured with properties that are irrelevant to its function, the affected products log these irrelevant properties. This can inadvertently include sensitive user credentials or other confidential information depending on the nature of the misconfigured property. A malicious actor with access to the 'wso2carbon' log files could retrieve sensitive information logged by the system. This may potentially lead to unauthorized access if the logged data contains credentials or other critical secrets.

Metrics

CVSS 3.1
4.4/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
WSO2WSO2 API Manager< 3.1.0; >= 3.1.0, < 3.1.0.357; >= 3.2.0, < 3.2.0.465; >= 3.2.1, < 3.2.1.84; >= 4.1.0, < 4.1.0.249; >= 4.2.0, < 4.2.0.189; >= 4.3.0, < 4.3.0.100; >= 4.4.0, < 4.4.0.64; >= 4.5.0, < 4.5.0.49; >= 4.6.0, < 4.6.0.13
WSO2WSO2 Traffic Manager< 4.5.0; >= 4.5.0, < 4.5.0.48; >= 4.6.0, < 4.6.0.13
WSO2WSO2 API Control Plane< 4.5.0; >= 4.5.0, < 4.5.0.50; >= 4.6.0, < 4.6.0.14
WSO2WSO2 Universal Gateway< 4.5.0; >= 4.5.0, < 4.5.0.49; >= 4.6.0, < 4.6.0.13
WSO2WSO2 Identity Server< 5.10.0; >= 5.10.0, < 5.10.0.386; >= 5.11.0, < 5.11.0.433; >= 6.0.0, < 6.0.0.260; >= 6.1.0, < 6.1.0.261; >= 7.0.0, < 7.0.0.139; >= 7.1.0, < 7.1.0.47; >= 7.2.0, < 7.2.0.8
WSO2WSO2 Identity Server as Key Manager< 5.10.0; >= 5.10.0, < 5.10.0.377
WSO2WSO2 Open Banking IAM< 2.0.0; >= 2.0.0, < 2.0.0.426
WSO2WSO2 Open Banking AM< 2.0.0; >= 2.0.0, < 2.0.0.406
WSO2WSO2 Carbon Event Publisher Core< 5.2.65; >= 5.3.0, < 5.3.28

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-18800?
When an Event Publisher output adapter is configured with properties that are irrelevant to its function, the affected products log these irrelevant properties. This can inadvertently include sensitive user credentials or other confidential information depending on the nature of the misconfigured property. A malicious actor with access to the 'wso2carbon' log files could retrieve sensitive information logged by the system. This may potentially lead to unauthorized access if the logged data contains credentials or other critical secrets.
How severe is CVE-2026-18800?
CVE-2026-18800 has a CVSS score of 4.4/10 (MEDIUM severity).
How do I fix CVE-2026-18800?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST