CVEvulnerability

CVE-2026-42498

7.3 HIGH Published 2026-05-12 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-05-12
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weaknesses
CWE-200

Description

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.

Affected configurations

• apache tomcat (>= 7.0.0 <= 7.0.109) • apache tomcat (>= 8.5.0 <= 8.5.100) • apache tomcat (>= 9.0.0 < 9.0.118) • apache tomcat (>= 10.1.0 < 10.1.55) • apache tomcat (>= 11.0.0 < 11.0.22)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References