Vulnerability-Lookup

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

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JSON

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  "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"
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}

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

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          }
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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

GHSA-24J9-X2WG-9QV6

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

Tags

Sightings

Nomenclature