CVE record · CVE-2026-6647

Incomplete OAuth Token Revocation via Case Mismatch in WSO2 Identity Server Allows Continued Access After Lifecycle Events

CVSS 7.4 HighEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: WSO2) at 28 Oct 2026, 19:21 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 Identity Server
  • affected 7.2.0 to before 7.2.0.21 custom
Other versions: unaffected
WSO2 WSO2 Carbon OAuth Package name: org.wso2.carbon.identity.inbound.auth.oauth2:org.wso2.carbon.identity.oauth
  • affected 7.0.385 to before 7.0.385.17 custom
  • unaffected 7.5.23 to *, inclusive custom
Other versions: unknown
Identifiers
CVE-2026-6647
CNA
WSO2
Weakness (CWE)
CWE-613
Published
28 Oct 2026
Updated
29 Oct 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
7.4 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L CNA (WSO2)
  • CISA KEV Not listed.
  • EPSS 0.0021, the 11th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 28 Oct 2026. New records show when each source confirmed them.

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.