Advisory details:
gitlab / maven/org.apache.tomcat/tomcat-coyote/CVE-2026-78437
| Advisory ID | gitlab/maven/org.apache.tomcat/tomcat-coyote/CVE-2026-78437 |
| Aliases |
CVE-2026-78437
|
| Summary | Incomplete Cleanup Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause one request from another user to fail. This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, 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-coyote/CVE-2026-78437.yml |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/apache/tomcat/commit/70579060454a203977b5696ece71e7cbd6ee9bde | ||
| CVE-2026-78437 | https://nvd.nist.gov/vuln/detail/CVE-2026-78437 | |
| qkmsos3s8chn5053qr466rzwv6sk5gjg | Advisory | https://lists.apache.org/thread/qkmsos3s8chn5053qr466rzwv6sk5gjg |
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 |
There are no SSVC decisions available.