High severity7.5NVD Advisory· Published Apr 9, 2026· Updated Jun 17, 2026
CVE-2026-34487
CVE-2026-34487
Description
Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
56- osv-coords55 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:maven/org.apache.tomcat.embed/tomcat-embed-corepkg:maven/org.apache.tomcat/tomcatpkg:maven/org.apache.tomcat/tomcat-catalinapkg:rpm/opensuse/tomcat&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/tomcat&distro=openSUSE%20Tumbleweedpkg: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/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%20LTSS%20Extended%20Security%2012%20SP5pkg: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/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%20SP6
< 8.8.22-r0+ 54 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: >= 9.0.13, < 9.0.117
- (no CPE)range: >= 9.0.13, < 9.0.117
- (no CPE)range: >= 9.0.13, < 9.0.117
- (no CPE)range: >= 9.0.13, < 9.0.117
- (no CPE)range: < 9.0.117-160000.1.1
- (no CPE)range: < 9.0.117-1.1
- (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: < 9.0.117-150200.105.1
- (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: < 9.0.117-3.163.2
- (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: < 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
Patches
Vulnerability mechanics
References
10- www.openwall.com/lists/oss-security/2026/04/09/28nvdMailing ListThird Party Advisory
- github.com/advisories/GHSA-x4m4-345f-5h5gghsaADVISORY
- lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850hnvdMailing ListVendor Advisory
- github.com/apache/tomcat/commit/301bc6efbf72feb14dacfdfa3f50372182736150ghsa
- github.com/apache/tomcat/commit/5eff2a773b8b728083e5195b3183df1b9e12a03dghsa
- github.com/apache/tomcat/commit/f593292a082e5ef9336a8db2b4b522f7f3e36976ghsa
- nvd.nist.gov/vuln/detail/CVE-2026-34487ghsa
- tomcat.apache.org/security-10.htmlghsa
- tomcat.apache.org/security-11.htmlghsa
- tomcat.apache.org/security-9.htmlghsa
News mentions
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