Detections
Analytics
AlmaLinux 9 : tomcat (ALSA-2026:68660)
medium Nessus Plugin ID 348289
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:68660 advisory.* Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix (CVE-2026-32990)
* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)
* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)
* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)
* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)
* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)
* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)
* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)
Bug Fix(es) and Enhancement(s):
* Tomcat fails to respond to client connections when using Java 8 [almalinux-9.8] (JIRA:AlmaLinux-257456)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 348289
File Name: alma_linux_ALSA-2026-68660.nasl
Version: 1.1
Type: Local
Family: Alma Linux Local Security Checks
Published: 9/19/2026
Updated: 9/19/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.12
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-43512
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.9
Threat Score: 5.5
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-32990
Vulnerability Information
CPE: cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:tomcat-admin-webapps, p-cpe:/a:alma:linux:tomcat-docs-webapp, p-cpe:/a:alma:linux:tomcat-el-3.0-api, p-cpe:/a:alma:linux:tomcat-jsp-2.3-api, p-cpe:/a:alma:linux:tomcat-lib, p-cpe:/a:alma:linux:tomcat-servlet-4.0-api, p-cpe:/a:alma:linux:tomcat-webapps, p-cpe:/a:alma:linux:tomcat
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/17/2026
Vulnerability Publication Date: 3/20/2026
Reference Information
CVE: CVE-2026-32990, CVE-2026-41293, CVE-2026-42498, CVE-2026-43512, CVE-2026-43513, CVE-2026-43515, CVE-2026-59083, CVE-2026-59084