CVE-2026-111246: The embedded OpenEJB HTTP server does not isolate HTTP sessions between web applications
Source GCVE Database
Not known to be exploited : upgrade to 10.0.0-M1 soon.
Data as of 10 Nov 2026, 19:05 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in 10.0.0-M1
Exploitation evidence
Disclosed: evidence found.
CVE published 10 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 10 Nov 2026.
What to do
Upgrade Apache TomEE and org.apache.tomee/openejb-http to 10.0.0-M1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apache TomEEorg.apache.openejb:openejb-http | Affected
| Fixed in– |
| Apache TomEEorg.apache.tomee:openejb-http | Affected
| Fixed in
|
Mavenorg.apache.openejb/openejb-httppkg:maven/org.apache.openejb/openejb-httpOther threats | Affected
| Fixed in– |
Mavenorg.apache.tomee/openejb-httppkg:maven/org.apache.tomee/openejb-httpOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The embedded OpenEJB HTTP server does not isolate HTTP sessions between web applications. A remote attacker can use a session established in one web application in another one, which then trusts session state set by the first application. Only deployments hosting several web applications on the embedded HTTP server are affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.