CVE-2026-43514
Apache Tomcat - AJP secret compared in non-constant time
3.7
LOW
CVSS 3.1
EPSS 0.10%
Description
Observable Timing Discrepancy vulnerability when comparing AJP secret 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. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
How to fix CVE-2026-43514
To remediate CVE-2026-43514, upgrade the affected package to a fixed version below.
- —upgrade to 10.1.55 or later
- —no fix listed
- —no fix listed
- —upgrade to 9.0.70-2 or later
- —upgrade to 9.0.118 or later
- —upgrade to 9.0.118 or later
- —upgrade to 9.0.118 or later
Is CVE-2026-43514 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
- >= 10.1.0, < 10.1.55, >= 11.0.0, < 11.0.22, >= 9.0.0, < 9.0.118
- from 0
- from 0
- from 0, < 9.0.70-2
- from 0, < 9.0.118
- from 0, < 9.0.118
- from 0, < 9.0.118
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |