Advisory details:
gitlab / maven/org.apache.tomcat/tomcat-catalina/CVE-2026-34486
| Advisory ID | gitlab/maven/org.apache.tomcat/tomcat-catalina/CVE-2026-34486 |
| Aliases |
CVE-2026-34486
GHSA-69r9-qgr7-g2wj |
| Summary | Apache Tomcat Missing Encryption of Sensitive Data vulnerability 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. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 0.0 |
| Risk | |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.apache.tomcat/tomcat-catalina/CVE-2026-34486.yml |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/apache/tomcat | ||
| https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly | ||
| CVE-2026-34486 | https://nvd.nist.gov/vuln/detail/CVE-2026-34486 | |
| GHSA-69r9-qgr7-g2wj | https://github.com/advisories/GHSA-69r9-qgr7-g2wj |
| Data source | KEV |
|---|---|
| Date added | Aug. 4, 2026 |
| Description | Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor. This vulnerability can be chained with CVE‑2025‑24813. |
| Required action | 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. |
| Due date | Aug. 7, 2026 |
| Note | https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-34486 |
| Ransomware campaign use | Unknown |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T20:20:09Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/34xxx/CVE-2026-34486.json
Source Advisory: vulnrichment/CVE-2026-34486
[{'Exploitation': 'none'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]
Vector: SSVCv2/E:A/A:Y/T:P/P:M/B:A/M:M/D:A/2026-08-06T17:59:33Z/
Decision: Attend
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/34xxx/CVE-2026-34486.json
Source Advisory: vulnrichment/CVE-2026-34486
[{'Exploitation': 'active'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]