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RLSA-2026:68677 (CVE-2026-41293)

Vulnerability from osv_rocky – Published: 2026-09-19 06:01 – Updated: 2026-09-19 06:13 – Source website
VLAI
Summary
Important: tomcat security update
Details

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

Security Fix(es):

  • tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

  • tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)

  • tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)

  • tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)

  • tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)

  • tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)

  • tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)

  • tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Credits
Rocky Enterprise Software Foundation
Red Hat
References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:8",
        "name": "tomcat",
        "purl": "pkg:rpm/rocky-linux/tomcat?distro=rocky-linux-8-x86-64\u0026epoch=1"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "AppStream"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:68677"
  },
  "details": "Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.\n\nSecurity Fix(es):\n\n* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)\n\n* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)\n\n* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)\n\n* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)\n\n* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)\n\n* tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)\n\n* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)\n\n* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "RLSA-2026:68677",
  "modified": "2026-09-19T06:13:35.424969Z",
  "published": "2026-09-19T06:01:33.521772Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:68677"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476511"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476513"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476516"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476519"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476520"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494669"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499917"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499931"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:68677"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: tomcat security update",
  "upstream": [
    "CVE-2026-41293",
    "CVE-2026-42498",
    "CVE-2026-43512",
    "CVE-2026-43513",
    "CVE-2026-43515",
    "CVE-2026-55957",
    "CVE-2026-59083",
    "CVE-2026-59084"
  ]
}



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