Advisory details:
github_osv / GHSA-5m62-pw8w-7w9f
| Advisory ID | github_osv/GHSA-5m62-pw8w-7w9f |
| Aliases |
CVE-2026-43515
|
| Summary | Apache Tomcat - Security constraints not correctly applied Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 8.2 |
| Risk | 4.1 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| CWE-285 | Improper Authorization |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 9.1 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-5m62-pw8w-7w9f/GHSA-5m62-pw8w-7w9f.json |
| generic_textual | CRITICAL |
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:T/P:M/B:A/M:M/D:T/2026-05-14T16:33:57Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/43xxx/CVE-2026-43515.json
Source Advisory: vulnrichment/CVE-2026-43515
[{'Exploitation': 'none'},
{'Automatable': 'yes'},
{'Technical Impact': 'total'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]