CVE-2026-34486
CVE-2026-34486 · Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
CVSS 7.5 · High · EPSS 98.5% · In KEV · Public exploit
- Published
- Updated
Stack: system
Affected products and versions
apache tomcat
- Versions
- 11.0.20: Affected (semver)
- 10.1.53: Affected (semver)
- 9.0.116: Affected (semver)
No fix published
tomcat8 Ubuntu:Pro:18.04:LTS
- Versions
- 8.5.21-1ubuntu1
- 8.5.29-1
- 8.5.30-1
- 8.5.30-1ubuntu1
- 8.5.30-1ubuntu1.2
- 8.5.30-1ubuntu1.3
- 8.5.30-1ubuntu1.4
- 8.5.39-1ubuntu1~18.04.1
- 8.5.39-1ubuntu1~18.04.2
- 8.5.39-1ubuntu1~18.04.3
- 8.5.39-1ubuntu1~18.04.3+esm1
- 8.5.39-1ubuntu1~18.04.3+esm2
- 8.5.39-1ubuntu1~18.04.3+esm3
- 8.5.39-1ubuntu1~18.04.3+esm4
- 8.5.39-1ubuntu1~18.04.3+esm5
- 8.5.39-1ubuntu1~18.04.3+esm6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
- https://socradar.io/blog/snowlight-government-chinese-campaign/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat
- https://access.redhat.com/security/cve/CVE-2026-34486
- https://bugzilla.redhat.com/show_bug.cgi?id=2457027
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json
- https://access.redhat.com/errata/RHSA-2026:39188
- https://access.redhat.com/errata/RHSA-2026:38505
- https://access.redhat.com/errata/RHSA-2026:36787
- https://access.redhat.com/errata/RHSA-2026:36789
- https://access.redhat.com/errata/RHSA-2026:36788
- https://access.redhat.com/errata/RHSA-2026:36790
- https://access.redhat.com/errata/RHSA-2026:37137
- https://access.redhat.com/errata/RHSA-2026:37136
- https://access.redhat.com/errata/RHSA-2026:36878
- https://access.redhat.com/errata/RHSA-2026:36876
- https://access.redhat.com/errata/RHSA-2026:36877
- https://access.redhat.com/errata/RHSA-2026:36879
- https://access.redhat.com/errata/RHSA-2026:39189
- https://nvd.nist.gov/vuln/detail/CVE-2026-34486