Vulnerability-Lookup

OPENSUSE-SU-2026:21490-1

Vulnerability from csaf_opensuse - Published: 2026-07-30 11:32 - Updated: 2026-09-17 17:40

Summary

Security update for tomcat11

Severity

Important

Notes

Title of the patch: Security update for tomcat11

Description of the patch: This update for tomcat11 fixes the following issues - Update to Tomcat 11.0.24 - CVE-2026-59083: Incorrect URL decoding in RewriteValve may allow security control bypass (bsc#1271397). - CVE-2026-59084: EncryptInterceptor requirements not clearly documented (bsc#1271398).

Patchnames: openSUSE-Leap-16.0-1416

CVE-2026-59083

8.2 (High)


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

Affected products

Recommended 11 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:tomcat11-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-admin-webapps-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-doc-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-docs-webapp-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-el-6_0-api-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-embed-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-jsp-4_0-api-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-jsvc-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-lib-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-servlet-6_1-api-0:11.0.24-160000.1.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:tomcat11-webapps-0:11.0.24-160000.1.1.noarch	—	Vendor Fix

Threats

Impact important

CVE-2026-59084

7.3 (High)


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

Affected products

Recommended 11 products, the same list as for CVE-2026-59083

Threats

Impact important

References

10 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1271397	self
https://bugzilla.suse.com/1271398	self
https://www.suse.com/security/cve/CVE-2026-59083/	self
https://www.suse.com/security/cve/CVE-2026-59084/	self
https://www.suse.com/security/cve/CVE-2026-59083	external
https://bugzilla.suse.com/1271397	external
https://www.suse.com/security/cve/CVE-2026-59084	external
https://bugzilla.suse.com/1271398	external

JSON

To clipboard

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  "vulnerabilities": [
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        {
          "category": "general",
          "text": "Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat\u0027s rewrite valve allowed security constraint bypass for some configurations.\n\nThis 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.\n\nUsers are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.",
          "title": "CVE description"
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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 mitre root Scorecard

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 mitre root Scorecard

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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          "value": "Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.\n\nThis 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.\u00a0Other versions that have reached end of support may also be affected.\n\nUsers are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "low"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1059",
              "description": "CWE-1059 Insufficient Technical Documentation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T08:24:21.531Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/7w9746ootcxo0gvx26xjpw80l31f1qw7"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Apache Tomcat: EncryptInterceptor requirements not clearly documented",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-59084",
    "datePublished": "2026-07-14T08:24:21.531Z",
    "dateReserved": "2026-07-02T10:42:32.668Z",
    "dateUpdated": "2026-07-14T13:51:52.489Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2026:21490-1

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

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

Tags

Sightings

Nomenclature

Related by attack behaviour