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Back to active CVEs
Critical ยท CVSS 9.1CVE-2026-68525GHSA-H3X4-894J-XPX5

Apache Tomcat: Redirect after FORM auth may bypass method specific constraintsCVE-2026-68525

Answer in brief

CVE-2026-68525 records a Critical severity (CVSS 9.1) vulnerability in Apache Tomcat: Redirect after FORM auth may bypass method specific constraints. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache Tomcat (generic), org.apache.tomcat.embed:tomcat-embed-core (maven), org.apache.tomcat.embed:tomcat-embed-core (maven), org.apache.tomcat.embed:tomcat-embed-core (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 25, 2026Updated Sep 11, 2026Source checked Oct 10, 2026First seen by HOL Aug 25, 2026Material review Sep 11, 2026
Upstream Advisory

Key facts

Risk
Critical ยท CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
32 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Tomcat (generic), org.apache.tomcat.embed:tomcat-embed-core (maven), org.apache.tomcat.embed:tomcat-embed-core (maven), org.apache.tomcat.embed:tomcat-embed-core (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache Tomcatgeneric11.0.0-M1 || 10.1.0-M1 || 9.0.0.M1 || 8.5.0 || 7.0.0Not reported
org.apache.tomcat.embed:tomcat-embed-coremaven>=11.0.0-M1,<11.0.2511.0.25
org.apache.tomcat.embed:tomcat-embed-coremaven>=10.1.0-M1,<10.1.5810.1.58
org.apache.tomcat.embed:tomcat-embed-coremaven>=9.0.0-M1,<9.0.1219.0.121
org.apache.tomcat.embed:tomcat-embed-coremaven>=8.5.0,<=8.5.100Not reported
org.apache.tomcat.embed:tomcat-embed-coremaven>=7.0.0,<=7.0.109Not reported
org.apache.tomcat.embed:tomcat-embed-coremaven>=11.0.0-M1 <11.0.2511.0.25
org.apache.tomcat.embed:tomcat-embed-coremaven>=10.1.0-M1 <10.1.5810.1.58
org.apache.tomcat.embed:tomcat-embed-coremaven>=9.0.0-M1 <9.0.1219.0.121
org.apache.tomcat.embed:tomcat-embed-coremaven>=8.5.0Not reported
org.apache.tomcat.embed:tomcat-embed-coremaven>=7.0.0Not reported
org.apache.tomcat:tomcatmaven>=11.0.0-M1,<11.0.2511.0.25
org.apache.tomcat:tomcatmaven>=10.1.0-M1,<10.1.5810.1.58
org.apache.tomcat:tomcatmaven>=9.0.0-M1,<9.0.1219.0.121
org.apache.tomcat:tomcatmaven>=8.5.0,<=8.5.100Not reported
org.apache.tomcat:tomcatmaven>=7.0.0,<=7.0.109Not reported
org.apache.tomcat:tomcatmaven>=11.0.0-M1 <11.0.2511.0.25
org.apache.tomcat:tomcatmaven>=10.1.0-M1 <10.1.5810.1.58
org.apache.tomcat:tomcatmaven>=9.0.0-M1 <9.0.1219.0.121
org.apache.tomcat:tomcatmaven>=8.5.0Not reported
org.apache.tomcat:tomcatmaven>=7.0.0Not reported
org.apache.tomcat:tomcat-catalinamaven>=9.0.0-M1,<9.0.1219.0.121
org.apache.tomcat:tomcat-catalinamaven>=8.5.0,<=8.5.100Not reported
org.apache.tomcat:tomcat-catalinamaven>=7.0.0,<=7.0.109Not reported
org.apache.tomcat:tomcat-catalinamaven>=11.0.0-M1,<11.0.2511.0.25
org.apache.tomcat:tomcat-catalinamaven>=10.1.0-M1,<10.1.5810.1.58
org.apache.tomcat:tomcat-catalinamaven>=11.0.0-M1 <11.0.2511.0.25
org.apache.tomcat:tomcat-catalinamaven>=10.1.0-M1 <10.1.5810.1.58
org.apache.tomcat:tomcat-catalinamaven>=9.0.0-M1 <9.0.1219.0.121
org.apache.tomcat:tomcat-catalinamaven>=8.5.0Not reported
org.apache.tomcat:tomcat-catalinamaven>=7.0.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Tomcat, org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat.embed:tomcat-embed-core.
  2. 2Review the reported fix. Update org.apache.tomcat.embed:tomcat-embed-core to 11.0.25; org.apache.tomcat.embed:tomcat-embed-core to 10.1.58; org.apache.tomcat.embed:tomcat-embed-core to 9.0.121; org.apache.tomcat.embed:tomcat-embed-core to 11.0.25; org.apache.tomcat.embed:tomcat-embed-core to 10.1.58; org.apache.tomcat.embed:tomcat-embed-core to 9.0.121; org.apache.tomcat:tomcat to 11.0.25; org.apache.tomcat:tomcat to 10.1.58; org.apache.tomcat:tomcat to 9.0.121; org.apache.tomcat:tomcat to 11.0.25; org.apache.tomcat:tomcat to 10.1.58; org.apache.tomcat:tomcat to 9.0.121; org.apache.tomcat:tomcat-catalina to 9.0.121; org.apache.tomcat:tomcat-catalina to 11.0.25; org.apache.tomcat:tomcat-catalina to 10.1.58; org.apache.tomcat:tomcat-catalina to 11.0.25; org.apache.tomcat:tomcat-catalina to 10.1.58; org.apache.tomcat:tomcat-catalina to 9.0.121 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 25, 2026

Sources and claim methodology

  • Source referencelists.apache.org
  • Source referenceopenwall.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • Source referencetomcat.apache.org
  • Source referencetomcat.apache.org
  • Source referencetomcat.apache.org
  • GitHub security advisorygithub.com
Upstream source description

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. 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 but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • MariaDB: database privilege escalation via user / role name collision in the acl cacheAlso CWE-863
  • pacioli: A submit consent marker licensed cancellation of caller-named pre-existing documentsAlso CWE-863
  • Contao: Improper access control in the table access voterAlso CWE-863
  • Astron Agent: Unsandboxed code-node leads to cross-tenant RCEAlso CWE-863
  • MariaDB: `qc_info` plugin can do OOB reads if query contains \0Same generic ecosystem
  • MariaDB: mysql_json plugin OOB readsSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Oct 10, 2026
References
11 linked sources
Open source record