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Unrated severityNVD Advisory· Published Sep 23, 2026

CVE-2026-78437

CVE-2026-78437

Description

Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause one request from another user to fail.

This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121.

Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

Affected products

1
  • Apache/Tomcatllm-fuzzy
    Range: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121

Patches

Vulnerability mechanics

References

1

News mentions

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CVE-2026-78437 · VYPR