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

Vulnerability from cvelistv5 – Published: 2026-04-09 19:36 – Updated: 2026-04-10 14:22
VLAI
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
References
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)
Create a notification for this product.
Credits
Haruki Oyama (Waseda University)
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.