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CVE-2026-59083VulnerabilityPublished Updated

Apache Tomcat: Mehrere Schwachstellen

Affects Bundesamt für Sicherheit in der Informationstechnik ApacheSource GCVE Database

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Authoritative record:CVE-2026-59083· Critical 9.1

Not known to be exploited · CVSS 9.1 Critical : upgrade to 9.0.120 as a priority.

Data as of 12 Nov 2026, 11:23 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.0.120
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Jul 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 12 Nov 2026.

What to do

Upgrade org.apache.tomcat/tomcat to 9.0.120.

Affected software

ProductAffectedFixed in
Mavenorg.apache.tomcat/tomcatpkg:maven/org.apache.tomcat/tomcatOther threatsAffected
  • <9.0.120
Fixed in
  • 9.0.120

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

AI-suggested

A fix is available in Apache Tomcat version 9.0.120 and in Red Hat JBoss Web Server 7.0.1. Users should update to these versions to remediate the vulnerabilities. Before applying the update, back up existing installations and configurations. Red Hat provides detailed update instructions and recommends applying all relevant errata prior to this update.

Description

Multiple vulnerabilities have been identified in Apache Tomcat, including an incorrect URL decoding issue in the RewriteValve that may allow security constraint bypass. These issues affect Apache Tomcat versions prior to 9.0.120. Red Hat has released updates in JBoss Web Server 7.0.1 to address these vulnerabilities, which are rated with a moderate security impact. The fixes include corrections for misleading security logs, error handling when configuring CRLs, and control flow issues in the rewrite valve.

References

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