CVE-2026-111259

Apache TomEE: Predictable HTTP session identifiers in embedded server

Published Nov 10, 2026 CVSS n/a EPSS < 1% KEV · Not listed
Description
The embedded server generates HTTP session identifiers with a non-cryptographic random number generator by default. A remote attacker who observes a session identifier can predict the identifiers issued to other users and hijack their sessions, if the application relies on HTTP sessions for authentication. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description The embedded server generates HTTP session identifiers with a non-cryptographic random number generator by default. A remote attacker who observes a session identifier can predict the identifiers issued to other users and hijack their sessions, if the application relies on HTTP sessions for authentication. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.
Title Apache TomEE: Predictable HTTP session identifiers in embedded server
Weaknesses CWE-338
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Nov 10, 2026, 3:18 PM
Reserved
Oct 15, 2026, 6:59 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 4:17 PM
Modified
Nov 12, 2026, 5:06 PM