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CVE-2026-24733

Apache Tomcat: Security constraint bypass with HTTP/0.9

Published: Feb 17, 2026Updated: Feb 18, 2026 Sources: CVE List NVD GHSA BDUCWE-20
6.5MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 60.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Apache Tomcat - Security constraint bypass with HTTP/0.9

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Red Hat JBoss Web ServerOn-prem
Operating Systems / linux-distro
Maven
package-ecosystem
org.apache.tomcat:tomcat-coyote
OSS Libraries
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
АО «СберТех»
commercial·RUaka ao sbertech, сбертех
Platform V SberLinux OS ServerOn-premOS
Operating Systems / linux-distro
Apache Software Foundation
oss-project·USaka apache foundation
Apache TomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2026-24733
nvd.nist.gov
https://github.com/apache/tomcat/commit/2e2fa23f2635bbb819759576a2f2f5e64ecf7c5f
github.com
https://github.com/apache/tomcat/commit/6c73d74ff281260d74c836370ff6b82f1da8048b
github.com
and 10 more references View all →

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