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Medium

Apache Tomcat Open Redirect vulnerability

  • Disclosed: 25.08.2023
  • Updated: 11.10.2026 13:20

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 through 8.5.92. Older, EOL versions may also be affected. The vulnerability is limited to the ROOT (default) web application.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.apache.tomcat.embed:tomcat-embed-core >= 8.5.0, < 8.5.93, >= 9.0.0-M1, < 9.0.80, >= 10.1.0-M1, < 10.1.13, >= 11.0.0-M1, < 11.0.0-M11 8.5.93, 9.0.80, 10.1.13, 11.0.0-M11
Java / Kotlin (Maven) org.apache.tomcat:tomcat >= 11.0.0-M1, < 11.0.0-M11, >= 10.1.0-M1, < 10.1.13, >= 9.0.0-M1, < 9.0.80, >= 8.5.0, < 8.5.93 11.0.0-M11, 10.1.13, 9.0.80, 8.5.93
Java / Kotlin (Maven) org.apache.tomcat:tomcat-catalina >= 10.1.0-M1, < 10.1.13, >= 9.0.0-M1, < 9.0.80, >= 8.5.0, < 8.5.93 10.1.13, 9.0.80, 8.5.93

References

CVSS score 6.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-601
Platform
Java / Kotlin (Maven)
Package
org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-catalina
Disclosed
25.08.2023
Updated
11.10.2026 13:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-q3mw-pvr8-9ggc - CC BY 4.0

Vulnerability history: org.apache.tomcat:tomcat-catalina

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (41) in the archive
Total entries
41
First → latest
05.2019 08.2026
Without a fix
0
Exploited in attacks
3

Severity breakdown

  • Critical 9
  • High 16
  • Medium 11
  • Low 5

Disclosures per year

Severity:
  1. Apache Tomcat's DIGEST authenticator has an Authentication Bypass by Capture-replay vulnerability
    Critical · 9.8 CVE-2026-65905 >= 11.0.0-M1, < 11.0.25, >= 10.1.0-M1, < 10.1.58, >= 9.0.0.M1, < 9.0.121, >= 8.5.0, <= 8.5.100, >= 7.0.30, <= 7.0.109 11.0.25, 10.1.58, 9.0.121
  2. Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
    Critical · 9.1 CVE-2026-65182 >= 11.0.0-M1, < 11.0.25, >= 10.1.0-M1, < 10.1.58, >= 9.0.0-M1, < 9.0.121, >= 8.5.0, <= 8.5.100, >= 7.0.0, <= 7.0.109 11.0.25, 10.1.58, 9.0.121
  3. Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability
    Critical · 9.1 CVE-2026-68525 >= 11.0.0-M1, < 11.0.25, >= 10.1.0-M1, < 10.1.58, >= 9.0.0-M1, < 9.0.121, >= 8.5.0, <= 8.5.100, >= 7.0.0, <= 7.0.109 11.0.25, 10.1.58, 9.0.121
  4. Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
    High · 7.5 CVE-2026-41284 < 9.0.118, >= 10.1.0-M1, < 10.1.55, >= 11.0.0-M1, < 11.0.22 9.0.118, 10.1.55, 11.0.22
  5. Apache Tomcat - Digest authenticator will authenticate any unknown user
    Critical · 9.8 CVE-2026-43512 < 9.0.118, >= 10.1.0-M1, < 10.1.55, >= 11.0.0-M1, < 11.0.22 9.0.118, 10.1.55, 11.0.22
  6. Apache Tomcat: LockOutRealm treats user names as case-sensitive
    High · 7.5 CVE-2026-43513 < 9.0.118, >= 10.1.0-M1, < 10.1.55, >= 11.0.0-M1, < 11.0.22 9.0.118, 10.1.55, 11.0.22
  7. Apache Tomcat - Security constraints not correctly applied
    Critical · 9.1 CVE-2026-43515 < 9.0.118, >= 10.1.0-M1, < 10.1.55, >= 11.0.0-M1, < 11.0.22 9.0.118, 10.1.55, 11.0.22
  8. Apache Tomcat - WebSocket authentication header exposure
    High · 7.3 CVE-2026-42498 < 9.0.118, >= 10.1.0-M1, < 10.1.55, >= 11.0.0-M1, < 11.0.22 9.0.118, 10.1.55, 11.0.22
  9. Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve
    High · 7.5 CVE-2026-34483 >= 9.0.40, < 9.0.116, >= 10.1.0-M1, < 10.1.54, >= 11.0.0-M1, < 11.0.21 9.0.116, 10.1.54, 11.0.21
  10. Apache Tomcat Vulnerable to Relative Path Traversal
    High · 7.5 CVE-2025-55752 >= 11.0.0-M1, < 11.0.11, >= 10.1.0-M1, < 10.1.45, >= 9.0.0-M11, < 9.0.109, >= 8.5.6, <= 8.5.100 11.0.11, 10.1.45, 9.0.109
  11. Apache Tomcat Catalina is vulnerable to DoS attack through bypassing of size limits
    High · 7.5 CVE-2025-52520 >= 11.0.0-M1, < 11.0.9, >= 10.1.0-M1, < 10.1.43, >= 9.0.0.M1, < 9.0.107, >= 8.5.0, <= 8.5.100 11.0.9, 10.1.43, 9.0.107
  12. Apache Tomcat - DoS in multipart upload
    High · 7.5 CVE-2025-48988 >= 11.0.0-M1, < 11.0.8, >= 10.1.0-M1, < 10.1.42, >= 9.0.0.M1, < 9.0.106, >= 8.5.0, <= 8.5.100 11.0.8, 10.1.42, 9.0.106
  13. Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT
    Critical · 9.8 Exploited in attacks CVE-2025-24813 >= 11.0.0-M1, < 11.0.3, >= 10.1.0-M1, < 10.1.35, >= 9.0.0.M1, < 9.0.99, >= 8.5.0, <= 8.5.100 11.0.3, 10.1.35, 9.0.99
  14. Apache Tomcat Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability
    High CVE-2024-56337 >= 11.0.0-M1, < 11.0.2, >= 10.1.0-M1, < 10.1.34 11.0.2, 10.1.34
  15. Apache Tomcat Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability
    High · 9.8 CVE-2024-50379 >= 11.0.0-M1, < 11.0.2, >= 10.1.0-M1, < 10.1.34, >= 9.0.0.M1, < 9.0.98, >= 8.5.0, <= 8.5.100 11.0.2, 10.1.34, 9.0.98
  16. Apache Tomcat - Authentication Bypass
    Critical · 9.8 CVE-2024-52316 < 9.0.96, >= 10.1.0-M1, < 10.1.30, >= 11.0.0-M1, < 11.0.1 9.0.96, 10.1.30, 11.0.1
  17. Apache Tomcat Improper Input Validation vulnerability
    High · 7.5 CVE-2023-46589 >= 11.0.0-M1, < 11.0.0-M11, >= 10.1.0-M1, < 10.1.16, >= 9.0.0-M1, < 9.0.83, >= 8.5.0, < 8.5.96 11.0.0-M11, 10.1.16, 9.0.83, 8.5.96
  18. Apache Tomcat Open Redirect vulnerability this entry
    Medium · 6.1 CVE-2023-41080 >= 10.1.0-M1, < 10.1.13, >= 9.0.0-M1, < 9.0.80, >= 8.5.0, < 8.5.93 10.1.13, 9.0.80, 8.5.93
  19. Apache Commons FileUpload denial of service vulnerability
    High · 7.5 CVE-2023-24998 >= 10.1.0-M1, < 10.1.5, >= 11.0.0-M2, < 11.0.0-M5, >= 8.5.85, < 8.5.88, >= 9.0.0-M1, < 9.0.71 10.1.5, 11.0.0-M5, 8.5.88, 9.0.71
  20. Apache Tomcat improperly escapes input from JsonErrorReportValve
    High · 7.5 CVE-2022-45143 >= 10.1.0, < 10.1.2 10.1.2
Show more (6) Showing 20 of 26

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