Vulnerability-Lookup

CVE-2026-34500 (GCVE-0-2026-34500)

Vulnerability from cvelistv5 – Published: 2026-04-09 19:36 – Updated: 2026-04-10 14:22

Title

Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

Summary

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

Severity ?

No CVSS data available.

CWE

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled

Assigner

apache

References

URL

Tags

https://lists.apache.org/thread/7rcl4zdxryc8hy3ht…

vendor-advisory

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M14 , ≤ 11.0.20 (semver) Affected: 10.1.22 , ≤ 10.1.53 (semver) Affected: 9.0.92 , ≤ 9.0.116 (semver)

Credits

Haruki Oyama (Waseda University)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-34500

Vulnerability from fkie_nvd - Published: 2026-04-09 20:16 - Updated: 2026-04-10 00:16

Severity ?

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/04/09/29

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue."
    }
  ],
  "id": "CVE-2026-34500",
  "lastModified": "2026-04-10T00:16:35.500",
  "metrics": {},
  "published": "2026-04-09T20:16:25.330",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/09/29"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Received"
}

GHSA-24J9-X2WG-9QV6

Vulnerability from github – Published: 2026-04-09 21:31 – Updated: 2026-04-10 15:31

Details

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

Severity ?

6.5 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-34500"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-09T20:16:25Z",
    "severity": "MODERATE"
  },
  "details": "CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.",
  "id": "GHSA-24j9-x2wg-9qv6",
  "modified": "2026-04-10T15:31:57Z",
  "published": "2026-04-09T21:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34500"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/09/29"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CERTFR-2026-AVI-0418

Vulnerability from certfr_avis - Published: 2026-04-10 - Updated: 2026-04-10

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

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 11.0.x antérieures à 11.0.21
Apache	Tomcat	Tomcat versions 10.1.x antérieures à 10.1.54
Apache	Tomcat	Tomcat versions 9.0.x antérieures à 9.0.117

References

Title

Publication Time

Tags

Bulletin de sécurité Apache Tomcat Apache_Tomcat_10.1.54	2026-04-02	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_9.0.116	2026-03-20	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_9.0.117	2026-04-03	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_10.1.53	2026-03-23	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_11.0.20	2026-03-20	vendor-advisory
Bulletin de sécurité Apache Tomcat Apache_Tomcat_11.0.21	2026-04-04	vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Tomcat versions 11.0.x ant\u00e9rieures \u00e0 11.0.21",
      "product": {
        "name": "Tomcat",
        "vendor": {
          "name": "Apache",
          "scada": false
        }
      }
    },
    {
      "description": "Tomcat versions 10.1.x ant\u00e9rieures \u00e0 10.1.54",
      "product": {
        "name": "Tomcat",
        "vendor": {
          "name": "Apache",
          "scada": false
        }
      }
    },
    {
      "description": "Tomcat versions 9.0.x ant\u00e9rieures \u00e0 9.0.117",
      "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-2026-32990",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-32990"
    },
    {
      "name": "CVE-2025-66614",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-66614"
    },
    {
      "name": "CVE-2026-34486",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-34486"
    },
    {
      "name": "CVE-2026-29145",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-29145"
    },
    {
      "name": "CVE-2026-34500",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-34500"
    },
    {
      "name": "CVE-2026-29146",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-29146"
    },
    {
      "name": "CVE-2026-34487",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-34487"
    },
    {
      "name": "CVE-2026-25854",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-25854"
    },
    {
      "name": "CVE-2026-29129",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-29129"
    },
    {
      "name": "CVE-2026-34483",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-34483"
    },
    {
      "name": "CVE-2026-24880",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-24880"
    }
  ],
  "initial_release_date": "2026-04-10T00:00:00",
  "last_revision_date": "2026-04-10T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0418",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-10T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "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, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Apache Tomcat",
  "vendor_advisories": [
    {
      "published_at": "2026-04-02",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_10.1.54",
      "url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.54"
    },
    {
      "published_at": "2026-03-20",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_9.0.116",
      "url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.116"
    },
    {
      "published_at": "2026-04-03",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_9.0.117",
      "url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.117"
    },
    {
      "published_at": "2026-03-23",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_10.1.53",
      "url": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.53"
    },
    {
      "published_at": "2026-03-20",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_11.0.20",
      "url": "https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.20"
    },
    {
      "published_at": "2026-04-04",
      "title": "Bulletin de s\u00e9curit\u00e9 Apache Tomcat Apache_Tomcat_11.0.21",
      "url": "https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.21"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-34500 (GCVE-0-2026-34500)

FKIE_CVE-2026-34500

GHSA-24J9-X2WG-9QV6

CERTFR-2026-AVI-0418

Solutions

Tags

Sightings

Nomenclature