Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
CVSS score
7.5
EPSS probability
%6.6
Risk score
1.0
Published
6 mo ago
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Impact on My Inventory
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-34486 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
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.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-34486 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Apache Software Foundation | Apache Tomcat | View |
| 2 | apache | tomcat | View |
| 3 | apache | tomcat | View |
| 4 | apache | tomcat | View |
| 5 | redhat | jboss web server | View |
| 6 | redhat | enterprise linux | View |
| 7 | redhat | enterprise linux | View |
| 8 | redhat | enterprise linux | View |
| 9 | redhat | enterprise linux els | View |
| 10 | redhat | enterprise linux eus | View |
| 11 | redhat | enterprise linux tus | View |
| 12 | redhat | enterprise linux update services for sap solutions | View |
| 13 | redhat | enterprise linux update services for sap solutions | View |
| 14 | redhat | enterprise linux update services for sap solutions | View |
| 15 | redhat | enterprise linux update services for sap solutions | View |
| 16 | apache | tomcat | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.5 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD |
| 7.5 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CVE ADP |
Patch and Remediation Guide
Solution & Remediation Advisory
Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Public exploit and active exploitation status
Verified exploit intelligence
CVE-2026-34486 : the database holds 1 public PoC/exploit sources for it. For direct links to the sources, open the Public Exploits tab.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-34486 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-34486 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
CVSS Vector Radar Chart
7.5 / 10Vulnerability Scoring Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NGeçici çözüm
Weakness Type (CWE & CAPEC)
Similar Vulnerabilities
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