Medium severity6.5NVD Advisory· Published Apr 9, 2026· Updated Apr 14, 2026
CVE-2026-34500
CVE-2026-34500
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tomcat:tomcat-coyote-ffmMaven | >= 9.0.92, < 9.0.117 | 9.0.117 |
org.apache.tomcat:tomcat-coyote-ffmMaven | >= 10.1.22, < 10.1.54 | 10.1.54 |
org.apache.tomcat:tomcat-coyote-ffmMaven | >= 11.0.0-M14, < 11.0.21 | 11.0.21 |
Affected products
67cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*+ 14 more
- cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*range: >=9.0.92,<9.0.117
- cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone26:*:*:*:*:*:*
- (no CPE)range: >=11.0.0-M14 <=11.0.20, >=10.1.22 <=10.1.53, >=9.0.92 <=9.0.116
- osv-coords52 versionspkg:apk/chainguard/camunda-8.8pkg:apk/chainguard/camunda-zeebe-8.6pkg:apk/chainguard/camunda-zeebe-8.7pkg:apk/chainguard/camunda-zeebe-8.8pkg:apk/chainguard/kayenta-2025.0pkg:apk/chainguard/kayenta-2025.1pkg:apk/chainguard/kayenta-2025.2pkg:apk/chainguard/kayenta-2025.4pkg:apk/chainguard/kayenta-2026.0pkg:apk/chainguard/kayenta-fips-2025.0pkg:apk/chainguard/kayenta-fips-2025.1pkg:apk/chainguard/kayenta-fips-2025.2pkg:apk/chainguard/kayenta-fips-2025.4pkg:apk/chainguard/kayenta-fips-2026.0pkg:apk/chainguard/nacospkg:apk/chainguard/nacos-dockerpkg:apk/chainguard/ontoppkg:apk/chainguard/ontop-fipspkg:apk/chainguard/thingsboard-tb-mqtt-transportpkg:apk/chainguard/thingsboard-tb-nodepkg:apk/wolfi/thingsboard-tb-mqtt-transportpkg:apk/wolfi/thingsboard-tb-nodepkg:bitnami/tomcatpkg:rpm/opensuse/tomcat10&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat10&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/tomcat11&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat11&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/tomcat&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat&distro=openSUSE%20Tumbleweedpkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP7pkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/tomcat10&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/tomcat11&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP7pkg:rpm/suse/tomcat11&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/tomcat11&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2015%20SP7pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/tomcat&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5
< 8.8.22-r0+ 51 more
- (no CPE)range: < 8.8.22-r0
- (no CPE)range: < 8.6.39-r0
- (no CPE)range: < 8.7.27-r0
- (no CPE)range: < 8.8.22-r0
- (no CPE)range: < 2025.0.8-r11
- (no CPE)range: < 2025.1.6-r9
- (no CPE)range: < 2025.2.4-r5
- (no CPE)range: < 2025.4.3-r6
- (no CPE)range: < 2026.0.2-r6
- (no CPE)range: < 2025.0.8-r13
- (no CPE)range: < 2025.1.6-r10
- (no CPE)range: < 2025.2.4-r6
- (no CPE)range: < 2025.4.3-r7
- (no CPE)range: < 2026.0.2-r7
- (no CPE)range: < 3.2.0-r6
- (no CPE)range: < 3.2.0-r2
- (no CPE)range: < 5.5.0-r8
- (no CPE)range: < 5.5.0-r4
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: < 4.3.1.1-r11
- (no CPE)range: >= 9.0.92, < 9.0.117
- (no CPE)range: < 10.1.54-160000.1.1
- (no CPE)range: < 10.1.54-1.1
- (no CPE)range: < 11.0.21-160000.1.1
- (no CPE)range: < 11.0.21-1.1
- (no CPE)range: < 9.0.117-160000.1.1
- (no CPE)range: < 9.0.117-1.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 10.1.54-150200.5.64.1
- (no CPE)range: < 11.0.21-150600.13.18.1
- (no CPE)range: < 11.0.21-150600.13.18.1
- (no CPE)range: < 11.0.21-150600.13.18.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-3.163.2
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-150200.105.1
- (no CPE)range: < 9.0.117-3.163.2
Patches
Vulnerability mechanics
References
10- www.openwall.com/lists/oss-security/2026/04/09/29nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-24j9-x2wg-9qv6ghsaADVISORY
- lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34500ghsaADVISORY
- github.com/apache/tomcat/commit/29b56a56ce9e7d044b6162a99af0f38529b3a208ghsaWEB
- github.com/apache/tomcat/commit/c13e60e732ea6d07087293a41ad1866c20848271ghsaWEB
- github.com/apache/tomcat/commit/ff589ab26e8250a2ca4286d986305318c033ff9fghsaWEB
- tomcat.apache.org/security-10.htmlghsaWEB
- tomcat.apache.org/security-11.htmlghsaWEB
- tomcat.apache.org/security-9.htmlghsaWEB
News mentions
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