Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-10-29 09:02

Modified

2026-10-29 09:16

Summary

Apache Tomcat: Possible TLS 1.3 connection failures

Details

Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122.

Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "tomcat",
        "purl": "pkg:bitnami/tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.90"
            },
            {
              "fixed": "9.0.123"
            },
            {
              "introduced": "10.1.25"
            },
            {
              "fixed": "10.1.61"
            },
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "11.0.27"
            }
          ],
          "type": "SEMVER"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-93446"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"
    ],
    "severity": "Unknown"
  },
  "details": "Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.",
  "id": "BIT-tomcat-2026-93446",
  "modified": "2026-10-29T09:16:42.832Z",
  "published": "2026-10-29T09:02:42.656Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/20/25"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/zh87okr5qspv4byzfpy2w6dqrokrnxzw"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93446"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache Tomcat: Possible TLS 1.3 connection failures"
}

CVE-2026-93446 (GCVE-0-2026-93446)

Vulnerability from cvelistv5 – Published: 2026-10-20 13:44 – Updated: 2026-10-20 18:10

Title

Apache Tomcat: Possible TLS 1.3 connection failures

Summary

Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently. This issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

Severity

No CVSS data available.

CWE

CWE-459 - Incomplete cleanup

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1090 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread.html/zh87okr5qspv…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/1…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M21 , ≤ 11.0.26 (semver) Affected: 10.1.25 , ≤ 10.1.60 (semver) Affected: 9.0.90 , ≤ 9.0.122 (semver)

Credits

FHMTT (https://github.com/FHMTT)

Show details on NVD website

JSON

To clipboard

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    "cna": {
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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.

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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.
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