6.1

CVE-2026-25854

Apache Tomcat: Occasionally open redirect

Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100.
Other, unsupported versions may also be affected

Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Tomcat Version >= 9.0.1 < 9.0.116
Apache ≫ Tomcat Version >= 10.1.0 < 10.1.53
Apache ≫ Tomcat Version >= 11.0.0 < 11.0.20
Apache ≫ Tomcat Version9.0.0 Updatemilestone23
Apache ≫ Tomcat Version9.0.0 Updatemilestone24
Apache ≫ Tomcat Version9.0.0 Updatemilestone25
Apache ≫ Tomcat Version9.0.0 Updatemilestone26
Apache ≫ Tomcat Version9.0.0 Updatemilestone27
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.53% 0.403
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0
Vendor Advisory
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http://www.openwall.com/lists/oss-security/2026/04/09/21
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