CVE-2026-18800: WSO2 API Manager · Sensitive Data in Logs
Affects WSO2 API ManagerSource CVE Database V5
Not known to be exploited · CVSS 4.4 Medium · fixed in 4.6.0.13 : update WSO2 API Manager when convenient.
Data as of 2 Nov 2026, 11:12 UTC
Thin evidence
One scorer or none| CNA (WSO2) | CVSS 3.1 | 4.4 |
|---|
- Patch
- Available – fixed in 4.6.0.13, 4.5.0.49, 4.4.0.64 +23
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| WSO2WSO2 API Manager | Affected
| Fixed in
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| WSO2WSO2 API Manager | Affected
| Fixed in
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| WSO2WSO2 API Manager | Affected
| Fixed in
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| WSO2WSO2 API Manager | Affected
| Fixed in
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| WSO2WSO2 API Manager | Affected
| Fixed in
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| WSO2WSO2 API Manager | Affected
| Fixed in
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AI-suggested
Fixed versions are available as listed in the established facts, including 3.1.0.357, 3.2.0.465, 3.2.1.84, 4.1.0.249, 4.2.0.189, 4.3.0.100, 4.4.0.64, 4.5.0.49, and 4.6.0.13. Users should upgrade to these fixed versions to remediate the vulnerability. No additional mitigation steps are specified or required beyond applying the official fixes.
Description
CVE-2026-18800 is a vulnerability in WSO2 API Manager where misconfigured Event Publisher output adapters log irrelevant properties, potentially including sensitive user credentials or confidential information. An attacker with access to the 'wso2carbon' log files could retrieve this sensitive data, possibly leading to unauthorized access. The issue affects multiple versions of WSO2 API Manager prior to specific fixed releases. The vulnerability has a medium severity rating with a CVSS score of 4.4.