cvelistv5 - cve-2026-42498

CVE-2026-42498 (GCVE-0-2026-42498)

Vulnerability from cvelistv5

Published

2026-05-12 15:17

Modified

2026-05-13 15:59

Severity ?

CWE

CWE-200 - Exposure of HTTP Authentication Header to unexpected hosts

Summary

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.

References

URL

Tags

https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb

vendor-advisory

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	Apache Tomcat	Version: 11.0.0-M1 ≤ 11.0.21 Version: 10.1.0-M1 ≤ 10.1.54 Version: 9.0.2 ≤ 9.0.117 Version: 8.5.24 ≤ 8.5.100 Version: 7.0.83 ≤ 7.0.109

Show details on NVD website

JSON

To clipboard

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CERTFR-2026-AVI-0577

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Apache	Tomcat	Tomcat versions 9.0.x antérieures à 9.0.118
Apache	Tomcat	Tomcat versions 10.1.x antérieures à 10.1.55
Apache	Tomcat	Tomcat versions 11.0.x antérieures à 11.0.22

References

Title

Publication Time

Tags

Bulletin de sécurité Apache Tomcat Apache_Tomcat_9.0.118	2026-05-10	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_10.1.55	2026-05-11	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_11.0.22	2026-05-05	vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Tomcat versions 9.0.x ant\u00e9rieures \u00e0 9.0.118",
      "product": {
        "name": "Tomcat",
        "vendor": {
          "name": "Apache",
          "scada": false
        }
      }
    },
    {
      "description": "Tomcat versions 10.1.x ant\u00e9rieures \u00e0 10.1.55",
      "product": {
        "name": "Tomcat",
        "vendor": {
          "name": "Apache",
          "scada": false
        }
      }
    },
    {
      "description": "Tomcat versions 11.0.x ant\u00e9rieures \u00e0 11.0.22",
      "product": {
        "name": "Tomcat",
        "vendor": {
          "name": "Apache",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-43515",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43515"
    },
    {
      "name": "CVE-2026-41284",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41284"
    },
    {
      "name": "CVE-2026-43514",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43514"
    },
    {
      "name": "CVE-2026-43513",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43513"
    },
    {
      "name": "CVE-2026-43512",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43512"
    },
    {
      "name": "CVE-2026-42498",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-42498"
    },
    {
      "name": "CVE-2026-41293",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41293"
    }
  ],
  "initial_release_date": "2026-05-13T00:00:00",
  "last_revision_date": "2026-05-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0577",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Apache Tomcat. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un contournement de la politique de s\u00e9curit\u00e9 et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Apache Tomcat",
  "vendor_advisories": [
    {
      "published_at": "2026-05-10",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_9.0.118",
      "url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.118"
    },
    {
      "published_at": "2026-05-11",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_10.1.55",
      "url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.55"
    },
    {
      "published_at": "2026-05-05",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_11.0.22",
      "url": "https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.22"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2026-42498 (GCVE-0-2026-42498)

Vulnerability from cvelistv5

CERTFR-2026-AVI-0577

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature