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VulnerabilityPublished

CVE-2026-93446: Apache Tomcat · Possible TLS 1.3 connection failures

Affects tomcatSource GCVE Database

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Authoritative record:CVE-2026-93446· Medium

Not known to be exploited · fixed in 11.0.27 : update tomcat when convenient.

Data as of 29 Oct 2026, 14:41 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 11.0.27, 10.1.61, 9.0.123

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade tomcat to 11.0.27, 10.1.61 or 9.0.123.

Affected software

ProductAffectedFixed in
Bitnamitomcatpkg:bitnami/tomcatOther threatsAffected
  • >=9.0.90 <9.0.123
  • >=10.1.25 <10.1.61
  • >=11.0.0 <11.0.27
Fixed in
  • 9.0.123
  • 10.1.61
  • 11.0.27

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Apache Tomcat to versions 9.0.123, 10.1.61, or 11.0.27 or later to resolve the TLS 1.3 connection failure issue. No other mitigation is indicated.

Description

Apache Tomcat versions 9.0.90 through 9.0.122, 10.1.25 through 10.1.60, and 11.0.0 through 11.0.26 contain an incomplete cleanup vulnerability that can cause TLS 1.3 connections to fail intermittently. This issue is resolved in versions 9.0.123, 10.1.61, and 11.0.27.

References

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