Advisory details:
vulnrichment / CVE-2026-43515
| Advisory ID | vulnrichment/CVE-2026-43515 |
| Aliases | |
| Summary | Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 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 |
| CWE-285 | Improper Authorization |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 9.1 | |
| ssvc | Track |
| Reference id | Reference type | URL |
|---|---|---|
| 746nxfxod0wsocxtmv8pb8nkgmwpc6bb | Advisory | https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb |
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'}]