CVE-2026-25854

MEDIUM EPSS 40.5%
Published Apr 9, 20262mo ago · Modified Jun 17, 20261w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
40.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-601

Affected Products 8

VendorProductVersionRange
apachetomcat*≥9.0.1  –  <9.0.116
apachetomcat*≥10.1.0  –  <10.1.53
apachetomcat*≥11.0.0  –  <11.0.20
apachetomcat9.0.0any
apachetomcat9.0.0any
apachetomcat9.0.0any
apachetomcat9.0.0any
apachetomcat9.0.0any

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/09/21
    Mailing ListThird Party Advisory
  • lists.apache.org https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0
    Mailing ListVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.