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TI-2026-26752 Aliases CVE-2026-34500GHSA-24j9-x2wg-9qv6

Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

Priority LOW 29CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Partial Red Hat: 6 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-287.

Summary

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00458 39th percentileScored 2026-11-07
Fix Partial org.apache.tomcat:tomcat-coyote-ffm (Maven): 9.0.117, 10.1.54, 11.0.21Red Hat: 4 advisoriesRed Hat: 6 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Tomcat11.0.0-M14 – 11.0.20; 10.1.22 – 10.1.53; 9.0.92 – 9.0.116—No fix listedCNA
—org.apache.tomcat:tomcat-coyote-ffm (Maven)9.0.92 to before 9.0.1179.0.117Patch availableGHSA-24j9-x2wg-9qv6
—org.apache.tomcat:tomcat-coyote-ffm (Maven)10.1.22 to before 10.1.5410.1.54Patch availableGHSA-24j9-x2wg-9qv6
—org.apache.tomcat:tomcat-coyote-ffm (Maven)11.0.0-M14 to before 11.0.2111.0.21Patch availableGHSA-24j9-x2wg-9qv6
  • Apache Tomcat VendorApache Affected 11.0.0-M14 – 11.0.20; 10.1.22 – 10.1.53; 9.0.92 – 9.0.116 Fixed in — No fix listed CNA
  • org.apache.tomcat:tomcat-coyote-ffm (Maven) Vendor— Affected 9.0.92 to before 9.0.117 Fixed in 9.0.117 Patch available GHSA-24j9-x2wg-9qv6
  • org.apache.tomcat:tomcat-coyote-ffm (Maven) Vendor— Affected 10.1.22 to before 10.1.54 Fixed in 10.1.54 Patch available GHSA-24j9-x2wg-9qv6
  • org.apache.tomcat:tomcat-coyote-ffm (Maven) Vendor— Affected 11.0.0-M14 to before 11.0.21 Fixed in 11.0.21 Patch available GHSA-24j9-x2wg-9qv6

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*9.0.92 to before 9.0.117; 10.1.22 to before 10.1.54; 11.0.1 to before 11.0.21VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*11.0.0 milestone14VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*11.0.0 milestone15VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*11.0.0 milestone16VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*11.0.0 milestone17VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*11.0.0 milestone18VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*11.0.0 milestone19VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*11.0.0 milestone20VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*11.0.0 milestone21VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*11.0.0 milestone22VulnerableApache
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* Versions 9.0.92 to before 9.0.117; 10.1.22 to before 10.1.54; 11.0.1 to before 11.0.21 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:* Versions 11.0.0 milestone14 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:* Versions 11.0.0 milestone15 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:* Versions 11.0.0 milestone16 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:* Versions 11.0.0 milestone17 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:* Versions 11.0.0 milestone18 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:* Versions 11.0.0 milestone19 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:* Versions 11.0.0 milestone20 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:* Versions 11.0.0 milestone21 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:* Versions 11.0.0 milestone22 Vulnerable ·Apache
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*11.0.0 milestone23VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*11.0.0 milestone24VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:*11.0.0 milestone25VulnerableApache
cpe:2.3:a:apache:tomcat:11.0.0:milestone26:*:*:*:*:*:*11.0.0 milestone26VulnerableApache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:* Versions 11.0.0 milestone23 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:* Versions 11.0.0 milestone24 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:* Versions 11.0.0 milestone25 Vulnerable ·Apache
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone26:*:*:*:*:*:* Versions 11.0.0 milestone26 Vulnerable ·Apache

Remediation

  • Fix · GHSA-24j9-x2wg-9qv6 org.apache.tomcat:tomcat-coyote-ffm (Maven) Fixed in 9.0.117 Advisory →
  • Fix · GHSA-24j9-x2wg-9qv6 org.apache.tomcat:tomcat-coyote-ffm (Maven) Fixed in 10.1.54 Advisory →
  • Fix · GHSA-24j9-x2wg-9qv6 org.apache.tomcat:tomcat-coyote-ffm (Maven) Fixed in 11.0.21 Advisory →

Red Hat 4 advisories

  • RHSA-2026:26323 Released 2026-06-16 · Red Hat rating Important
    tomcat security update
    • Red Hat Enterprise Linux AppStream (v. 9) tomcat-1:9.0.117-1.el9_8, tomcat-admin-webapps-1:9.0.117-1.el9_8, tomcat-docs-webapp-1:9.0.117-1.el9_8 +5
  • RHSA-2026:25341 Released 2026-06-11 · Red Hat rating Important
    tomcat9 security update
    • Red Hat Enterprise Linux AppStream (v. 10) tomcat9-1:9.0.117-1.el10_2, tomcat9-admin-webapps-1:9.0.117-1.el10_2, tomcat9-docs-webapp-1:9.0.117-1.el10_2 +5
  • RHSA-2026:20405 Released 2026-05-26 · Red Hat rating Important
    Red Hat JBoss Web Server 6.2.3 release and security update
    • Red Hat JBoss Web Server 6.2 on RHEL 10 jws6-tomcat-10.1.49-13.redhat_00011.1.el10jws, jws6-tomcat-admin-webapps-10.1.49-13.redhat_00011.1.el10jws, jws6-tomcat-docs-webapp-10.1.49-13.redhat_00011.1.el10jws +7
    • Red Hat JBoss Web Server 6.2 on RHEL 8 jws6-tomcat-10.1.49-13.redhat_00011.1.el8jws, jws6-tomcat-admin-webapps-10.1.49-13.redhat_00011.1.el8jws, jws6-tomcat-docs-webapp-10.1.49-13.redhat_00011.1.el8jws +7
    • Red Hat JBoss Web Server 6.2 on RHEL 9 jws6-tomcat-10.1.49-13.redhat_00011.1.el9jws, jws6-tomcat-admin-webapps-10.1.49-13.redhat_00011.1.el9jws, jws6-tomcat-docs-webapp-10.1.49-13.redhat_00011.1.el9jws +7
Show 1 more Red Hat advisories
  • RHSA-2026:20406 Released 2026-05-26 · Red Hat rating Important
    Red Hat JBoss Web Server 6.2.3 release and security update
    • Red Hat JBoss Web Server 6.2.3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat JBoss Web Server 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:25341
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:26323
Red Hat JBoss Web Server 6.2 on RHEL 10Fixed RHSA-2026:20405
Red Hat JBoss Web Server 6.2 on RHEL 8Fixed RHSA-2026:20405
Red Hat JBoss Web Server 6.2 on RHEL 9Fixed RHSA-2026:20405
Red Hat JBoss Web Server 6.2.3Fixed RHSA-2026:20406
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34500
  2. 2026-10-03 Alias added: GHSA-24j9-x2wg-9qv6
  3. 2026-10-09 Fix available: RHSA-2026:20406 · Red Hat
  4. 2026-11-06 Fix available: Red Hat JBoss Web Server 6.2.3 · Red Hat

References

Advisory 3

Other 7

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
  • TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
See all 273 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences