Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2026-18800

Information Disclosure via Event Publisher Logging in Multiple WSO2 Products Allows Retrieval of Sensitive Data

CVSS 4.4 MediumEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: WSO2) at 2 Nov 2026, 09:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
WSO2 WSO2 API Manager
  • unknown before 3.1.0 custom
  • affected 3.1.0 to before 3.1.0.357 custom
  • affected 3.2.0 to before 3.2.0.465 custom
  • affected 3.2.1 to before 3.2.1.84 custom
  • affected 4.1.0 to before 4.1.0.249 custom
  • affected 4.2.0 to before 4.2.0.189 custom
  • affected 4.3.0 to before 4.3.0.100 custom
  • affected 4.4.0 to before 4.4.0.64 custom
  • affected 4.5.0 to before 4.5.0.49 custom
  • affected 4.6.0 to before 4.6.0.13 custom
Other versions: unaffected
WSO2 WSO2 Traffic Manager
  • unknown before 4.5.0 custom
  • affected 4.5.0 to before 4.5.0.48 custom
  • affected 4.6.0 to before 4.6.0.13 custom
Other versions: unaffected
WSO2 WSO2 API Control Plane
  • unknown before 4.5.0 custom
  • affected 4.5.0 to before 4.5.0.50 custom
  • affected 4.6.0 to before 4.6.0.14 custom
Other versions: unaffected
WSO2 WSO2 Universal Gateway
  • unknown before 4.5.0 custom
  • affected 4.5.0 to before 4.5.0.49 custom
  • affected 4.6.0 to before 4.6.0.13 custom
Other versions: unaffected
WSO2 WSO2 Identity Server
  • unknown before 5.10.0 custom
  • affected 5.10.0 to before 5.10.0.386 custom
  • affected 5.11.0 to before 5.11.0.433 custom
  • affected 6.0.0 to before 6.0.0.260 custom
  • affected 6.1.0 to before 6.1.0.261 custom
  • affected 7.0.0 to before 7.0.0.139 custom
  • affected 7.1.0 to before 7.1.0.47 custom
  • affected 7.2.0 to before 7.2.0.8 custom
Other versions: unaffected
WSO2 WSO2 Identity Server as Key Manager
  • unknown before 5.10.0 custom
  • affected 5.10.0 to before 5.10.0.377 custom
Other versions: unaffected
WSO2 WSO2 Open Banking IAM
  • unknown before 2.0.0 custom
  • affected 2.0.0 to before 2.0.0.426 custom
Other versions: unaffected
WSO2 WSO2 Open Banking AM
  • unknown before 2.0.0 custom
  • affected 2.0.0 to before 2.0.0.406 custom
Other versions: unaffected
WSO2 WSO2 Carbon Event Publisher Core Package name: org.wso2.carbon.analytics-common:org.wso2.carbon.event.publisher.core
  • affected before 5.2.65 custom
  • affected 5.3.0 to before 5.3.28 custom
Other versions: unaffected
Identifiers
CVE-2026-18800
CNA
WSO2
Weakness (CWE)
CWE-532
Tags
Published
2 Nov 2026
Updated
2 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.4 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CNA (WSO2)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 5th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 2 Nov 2026, 09:59 UTC Confirmed by the CVE List
  2. 2 Nov 2026, 10:08 UTC First seen by agentprime
  3. 2 Nov 2026, 10:17 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.