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GHSA-CF68-55F3-8GFW

Vulnerability from github – Published: 2026-09-23 12:31 – Updated: 2026-09-23 12:31

Details

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-73581"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-299"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-23T12:17:06Z",
    "severity": null
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  "details": "Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100.\u00a0Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.",
  "id": "GHSA-cf68-55f3-8gfw",
  "modified": "2026-09-23T12:31:15Z",
  "published": "2026-09-23T12:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73581"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-73581 (GCVE-0-2026-73581)

Vulnerability from cvelistv5 – Published: 2026-09-23 11:08 – Updated: 2026-09-23 18:10

Title

Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore

Summary

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.58, from 9.0.0-M1 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-23 15:19 UTC

CWE

CWE-299 - Improper Check for Certificate Revocation

Assigner

apache mitre root

References

2 references

URL	Tags
https://lists.apache.org/thread/r0dj3h1pbn4wv96fh…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.25 (semver) Affected: 10.1.0-M1 , ≤ 10.1.59 (semver) Affected: 9.0.0.M1 , ≤ 9.0.121 (semver) Affected: 8.5.0 , ≤ 8.50.100 (semver) Unaffected: 0 , ≤ 8.5.0 (semver)

Credits

arpitjain099 (https://github.com/arpitjain099)

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              "confidentialityImpact": "LOW",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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.
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GHSA-CF68-55F3-8GFW

CVE-2026-73581 (GCVE-0-2026-73581)

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