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GHSA-QQ5R-98HH-RXC9 Apache Tomcat - Security constraint bypass with HTTP/0.9

🗓️ 17 Feb 2026 21:31:13Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

Tomcat HTTP/0.9 requests bypass security when HEAD allowed and GET denied; upgrade advised.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in tomcat-embed-core-9.0.110.jar
28 Apr 202622:39
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Apache Tomcat and Lodash might affect IBM Storage Defender Copy Data Management
4 May 202616:20
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IBM Security Bulletins		Security Bulletin: Due to the use of Apache Tomcat and mchange-commons-java, IBM ApplinX is vulnerable to Improper Input Validation vulnerablities (CVE-2025-66614, CVE-2026-24733, CVE-2026-24734) and an 'Injection' vulnerability (CVE-2026-27727).
8 Apr 202609:12
–ibm
IBM Security Bulletins		Security Bulletin: Maximo AI Service uses multiple third party dependencies which is vulnerable to multiple CVEs.
27 Apr 202607:44
–ibm
IBM Security Bulletins		Security Bulletin: IBM DevOps Build addresses multiple vulnerabilities.
25 Mar 202613:04
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM DevOps Release
31 Mar 202609:44
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Apache Tomcat Server (CVE-2025-61795, CVE-2025-66614, CVE-2026-24733, CVE-2026-24734) affect Power HMC.
31 Mar 202615:28
–ibm
ATTACKERKB		CVE-2026-24733
17 Feb 202618:50
–attackerkb
Tenable Nessus		Amazon Linux 2023 : tomcat9, tomcat9-admin-webapps, tomcat9-el-3.0-api (ALAS2023-2026-1496)
30 Mar 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : tomcat10, tomcat10-admin-webapps, tomcat10-el-5.0-api (ALAS2023-2026-1497)
30 Mar 202600:00
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10 Mar 2026 19:01Current
7.2High risk
Vulners AI Score7.2
CVSS 46.9
EPSS0.00163
apache tomcathttp zero ninesecurity constraint bypassupgrade advised
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