CVE-2026-34486 | Apache Tomcat up to 9.0.116/10.1.53/11.0.20 missing encryption

VDB-356676 · CVE-2026-34486 · GCVE-0-2026-34486 APACHE TOMCAT UP TO 9.0.116/10.1.53/11.0.20 MISSING ENCRYPTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.6 $0-$5k 1.37 Summaryinfo A vulnerability described as problematic has been identified in Apache Tomcat up to 9.0.116/10.1.53/11.0.20. Affected by this issue is some unknown functionality. The manipulation results in missing encryption. This vulnerability is identified as CVE-2026-34486. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended. Detailsinfo A vulnerability was found in Apache Tomcat up to 9.0.116/10.1.53/11.0.20. It has been classified as problematic. Affected is an unknown code block. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality. CVE summarizes: 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. The weakness was released by Bartlomiej Dmitruk. The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2026-34486 since 03/30/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/09/2026). The MITRE ATT&CK project declares the attack technique as T1600. Upgrading to version 9.0.117, 10.1.54 or 11.0.21 eliminates this vulnerability. Productinfo Type Application Server Software Vendor Apache Name Tomcat Version 9.0.116 10.1.0 10.1.1 10.1.2 10.1.3 10.1.4 10.1.5 10.1.6 10.1.7 10.1.8 10.1.9 10.1.10 10.1.11 10.1.12 10.1.13 10.1.14 10.1.15 10.1.16 10.1.17 10.1.18 10.1.19 10.1.20 10.1.21 10.1.22 10.1.23 10.1.24 10.1.25 10.1.26 10.1.27 10.1.28 10.1.29 10.1.30 10.1.31 10.1.32 10.1.33 10.1.34 10.1.35 10.1.36 10.1.37 10.1.38 10.1.39 10.1.40 10.1.41 10.1.42 10.1.43 10.1.44 10.1.45 10.1.46 10.1.47 10.1.48 10.1.49 10.1.50 10.1.51 10.1.52 10.1.53 11.0.0 11.0.1 11.0.2 11.0.3 11.0.4 11.0.5 11.0.6 11.0.7 11.0.8 11.0.9 11.0.10 11.0.11 11.0.12 11.0.13 11.0.14 11.0.15 11.0.16 11.0.17 11.0.18 11.0.19 11.0.20 License open-source Website Vendor: https://www.apache.org/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.7 VulDB Meta Temp Score: 3.6 VulDB Base Score: 3.7 VulDB Temp Score: 3.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Missing encryption CWE: CWE-311 / CWE-310 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Tomcat 9.0.117/10.1.54/11.0.21 Timelineinfo 03/30/2026 CVE reserved 04/09/2026 +10 days Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Vendor: apache.org Advisory: lists.apache.org Researcher: Bartlomiej Dmitruk Status: Confirmed CVE: CVE-2026-34486 (🔒) GCVE (CVE): GCVE-0-2026-34486 GCVE (VulDB): GCVE-100-356676 Entryinfo Created: 04/09/2026 22:10 Changes: 04/09/2026 22:10 (56) Complete: 🔍 Cache ID: 99:FC1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸