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Servers and applications

CVE-2026-68569

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created…

Severity
High 8.1
Published
25 Aug 2026
Last changed
21 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.121, 10.1.58, 11.0.25
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 7.0.0 up to 7.0.109
  • From 8.5.0 before 9.0.121
  • From 10.1.0 before 10.1.58
  • From 11.0.0 before 11.0.25

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-68569
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-68569