Vulnerability-Lookup

ALSA-2026:68677 (CVE-2024-52316)

Vulnerability from osv_almalinux – Published: 2026-09-17 00:00 – Updated: 2026-09-25 12:35 – Source website

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.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2026:68677	ADVISORY
	https://access.redhat.com/security/cve/CVE-2026-41293	REPORT
	https://access.redhat.com/security/cve/CVE-2026-42498	REPORT
	https://access.redhat.com/security/cve/CVE-2026-43512	REPORT
	https://access.redhat.com/security/cve/CVE-2026-43513	REPORT
	https://access.redhat.com/security/cve/CVE-2026-43515	REPORT
	https://access.redhat.com/security/cve/CVE-2026-55957	REPORT
	https://access.redhat.com/security/cve/CVE-2026-59083	REPORT
	https://access.redhat.com/security/cve/CVE-2026-59084	REPORT
	https://bugzilla.redhat.com/2476511	REPORT
	https://bugzilla.redhat.com/2476513	REPORT
	https://bugzilla.redhat.com/2476516	REPORT
	https://bugzilla.redhat.com/2476519	REPORT
	https://bugzilla.redhat.com/2476520	REPORT
	https://bugzilla.redhat.com/2494669	REPORT
	https://bugzilla.redhat.com/2499917	REPORT
	https://bugzilla.redhat.com/2499931	REPORT
	https://errata.almalinux.org/8/ALSA-2026-68677.html	ADVISORY
	https://www.redhat.com/security/data/cve/CVE-2024…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2024…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2025…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2025…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2025…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2025…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2025…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT
	https://www.redhat.com/security/data/cve/CVE-2026…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-admin-webapps"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-docs-webapp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-el-3.0-api"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-jsp-2.3-api"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-lib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-servlet-4.0-api"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "tomcat-webapps"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.0.120-1.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "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  * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)\n  * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)\n  * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)\n  * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)\n  * tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)\n  * tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)\n  * tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)\n\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.\n",
  "id": "ALSA-2026:68677",
  "modified": "2026-09-25T12:35:22Z",
  "published": "2026-09-17T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:68677"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-41293"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42498"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43512"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43513"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43515"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-55957"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59083"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59084"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2476511"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2476513"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2476516"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2476519"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2476520"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2494669"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2499917"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2499931"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-68677.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2024-52316.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2024-54677.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-46701.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-55668.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-55754.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-61795.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-66614.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-24733.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-24880.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-25854.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-29145.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-34483.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-34487.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-41284.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-43514.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-50229.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-53404.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-53434.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-55276.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-55955.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-55956.html"
    }
  ],
  "related": [
    "CVE-2024-52316",
    "CVE-2024-54677",
    "CVE-2025-46701",
    "CVE-2025-55668",
    "CVE-2025-55754",
    "CVE-2025-61795",
    "CVE-2025-66614",
    "CVE-2026-24733",
    "CVE-2026-24880",
    "CVE-2026-25854",
    "CVE-2026-29145",
    "CVE-2026-34483",
    "CVE-2026-34487",
    "CVE-2026-41284",
    "CVE-2026-41293",
    "CVE-2026-42498",
    "CVE-2026-43512",
    "CVE-2026-43513",
    "CVE-2026-43514",
    "CVE-2026-43515",
    "CVE-2026-50229",
    "CVE-2026-53404",
    "CVE-2026-53434",
    "CVE-2026-55276",
    "CVE-2026-55955",
    "CVE-2026-55956",
    "CVE-2026-55957",
    "CVE-2026-59083",
    "CVE-2026-59084"
  ],
  "schema_version": "1.7.0",
  "summary": "Important: tomcat security update",
  "upstream": [
    "CVE-2024-52316",
    "CVE-2024-54677",
    "CVE-2025-46701",
    "CVE-2025-55668",
    "CVE-2025-55754",
    "CVE-2025-61795",
    "CVE-2025-66614",
    "CVE-2026-24733",
    "CVE-2026-24880",
    "CVE-2026-25854",
    "CVE-2026-29145",
    "CVE-2026-34483",
    "CVE-2026-34487",
    "CVE-2026-41284",
    "CVE-2026-41293",
    "CVE-2026-42498",
    "CVE-2026-43512",
    "CVE-2026-43513",
    "CVE-2026-43514",
    "CVE-2026-43515",
    "CVE-2026-50229",
    "CVE-2026-53404",
    "CVE-2026-53434",
    "CVE-2026-55276",
    "CVE-2026-55955",
    "CVE-2026-55956",
    "CVE-2026-55957",
    "CVE-2026-59083",
    "CVE-2026-59084"
  ]
}

CVE-2026-50229 (GCVE-0-2026-50229)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:36 – Updated: 2026-06-30 12:50

Title

Apache Tomcat: XSS in number guess example

Summary

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Severity

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 12:49 UTC

CWE

CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/wlt2no8bw45zl1w8b…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.0.M1 , ≤ 9.0.118 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver)

Credits

Erichen, Institute of Computing Technology, Chinese Academy of Sciences Yashar Shahinzadeh Amirmohammad Safari

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-06-29T22:24:20.838Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/06/29/20"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-50229",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-30T12:49:25.834984Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-30T12:50:01.539Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache Tomcat",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "11.0.22",
              "status": "affected",
              "version": "11.0.0-M1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.1.55",
              "status": "affected",
              "version": "10.1.0-M1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.0.118",
              "status": "affected",
              "version": "9.0.0.M1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.5.100",
              "status": "affected",
              "version": "8.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.109",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "7.0.0",
              "status": "unknown",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Erichen, Institute of Computing Technology, Chinese Academy of Sciences"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Yashar Shahinzadeh"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Amirmohammad Safari"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.\u003c/p\u003e"
            }
          ],
          "value": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "low"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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CVE-2026-53404 (GCVE-0-2026-53404)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:39 – Updated: 2026-06-30 12:34

Title

Apache Tomcat: Bad ornext processing in RewriteValve

Summary

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 12:30 UTC

CWE

CWE-670 - Always-Incorrect Control Flow Implementation

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/rdhpghgfskrdmw9hq…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.0.M1 , ≤ 9.0.118 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unaffected: 0 , < 8.0.0 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-53434 (GCVE-0-2026-53434)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:41 – Updated: 2026-06-30 12:28

Title

Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector

Summary

Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 12:28 UTC

CWE

CWE-390 - Detection of Error Condition Without Action

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/x510lbq0sfrd1qyo7…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M7 , ≤ 10.1.55 (semver) Affected: 9.0.83 , ≤ 9.0.118 (semver) Unaffected: 0 , ≤ 9.0.82 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-55276 (GCVE-0-2026-55276)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:42 – Updated: 2026-06-30 13:59

Title

Apache Tomcat: Logged effective web.xml is incomplete

Summary

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 13:59 UTC

CWE

CWE-670 - Always-Incorrect Control Flow Implementation

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/jy09xjlzn6r2qwvqo…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.0.M1 , ≤ 9.0.118 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unaffected: 0 , < 8.0.0 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-55955 (GCVE-0-2026-55955)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:44 – Updated: 2026-06-30 13:22

Title

Apache Tomcat: EncryptInterceptor not protected against replay attacks

Summary

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 13:21 UTC

CWE

CWE-287 - Improper Authentication

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/g4p5sf45p3f9r011p…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.13 , ≤ 9.0.118 (semver) Affected: 8.5.38 , ≤ 8.5.100 (semver) Affected: 7.0.100 , ≤ 7.0.109 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-55956 (GCVE-0-2026-55956)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:46 – Updated: 2026-06-30 13:25

Title

Apache Tomcat: Security constraints for default servlet ignored method

Summary

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 13:23 UTC

CWE

CWE-285 - Improper Authorization

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/dcjdcnnnww9hhdm01…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.22 (semver) Affected: 10.1.0-M1 , ≤ 10.1.55 (semver) Affected: 9.0.0.M1 , ≤ 9.0.118 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver)

Credits

j0hndo (dohyun4466@gmail.com)

Show details on NVD website

JSON

To clipboard

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CVE-2026-55957 (GCVE-0-2026-55957)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:47 – Updated: 2026-06-30 13:27

Title

Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind

Summary

Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-30 13:26 UTC

CWE

CWE-304 - Missing Critical Step in Authentication

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/7fk339o5jvd4mcgsf…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.4 (semver) Affected: 10.1.0-M1 , ≤ 10.1.36 (semver) Affected: 9.0.0.M1 , ≤ 9.0.100 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver)

Credits

Ilan Toyter

Show details on NVD website

JSON

To clipboard

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CVE-2026-59083 (GCVE-0-2026-59083)

Vulnerability from cvelistv5 – Published: 2026-07-14 08:13 – Updated: 2026-07-14 12:19

Title

Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass

Summary

Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-14 12:19 UTC

CWE

CWE-177 - Improper Handling of URL Encoding (Hex Encoding)

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/3g63zos2gkjo5vgnr…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/14/7

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.23 (semver) Affected: 10.1.0-M1 , ≤ 10.1.56 (semver) Affected: 9.0.0.M1 , ≤ 9.0.119 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unaffected: 0 , < 8.0.0 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-59084 (GCVE-0-2026-59084)

Vulnerability from cvelistv5 – Published: 2026-07-14 08:24 – Updated: 2026-07-14 13:51

Title

Apache Tomcat: EncryptInterceptor requirements not clearly documented

Summary

Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-14 13:51 UTC

CWE

CWE-1059 - Insufficient Technical Documentation

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1178 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/7w9746ootcxo0gvx2…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/14/8

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.23 (semver) Affected: 10.1.0-M1 , ≤ 10.1.56 (semver) Affected: 9.0.13 , ≤ 9.0.119 (semver) Affected: 8.5.38 , ≤ 8.5.100 (semver) Affected: 7.0.100 , ≤ 7.0.109 (semver)

Credits

NDIx

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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