Vulnerability DatabaseCVE-2026-76646
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-76646
Published:September 16, 2026
Updated:October 12, 2026
A remote attacker could cause excessive resource consumption by supplying specially crafted request parameters, potentially resulting in a denial of service condition. Older unsupported versions may also be affected. Users are recommended to upgrade to versions 2.3.12, 2.3-next-M9, 3.0.4, 4.0.4, or 4.1.4, which fix this issue.
Affected Packages
https://github.com/apache/myfaces.git (GITHUB):
Affected version(s) >=myfaces-core-module-4.1.0 <myfaces-core-module-4.1.4
Fix Suggestion:
Update to version myfaces-core-module-4.1.4
https://github.com/apache/myfaces.git (GITHUB):
Affected version(s) >=myfaces-core-module-2.3.1 <myfaces-core-module-2.3.12
Fix Suggestion:
Update to version myfaces-core-module-2.3.12
https://github.com/apache/myfaces.git (GITHUB):
Affected version(s) >=myfaces-core-module-3.0.0 <myfaces-core-module-3.0.4
Fix Suggestion:
Update to version myfaces-core-module-3.0.4
https://github.com/apache/myfaces.git (GITHUB):
Affected version(s) >=myfaces-core-module-4.0.0 <myfaces-core-module-4.0.4
Fix Suggestion:
Update to version myfaces-core-module-4.0.4
https://github.com/apache/myfaces.git (GITHUB):
Affected version(s) >=myfaces-core-module-2.3-next-M5 <myfaces-core-module-2.3-next-M9
Fix Suggestion:
Update to version myfaces-core-module-2.3-next-M9
org.apache.myfaces.core:myfaces-bundle (JAVA):
Affected version(s) >=3.0.0 <3.0.4
Fix Suggestion:
Update to version 3.0.4
org.apache.myfaces.core:myfaces-bundle (JAVA):
Affected version(s) >=4.0.0 <4.0.4
Fix Suggestion:
Update to version 4.0.4
org.apache.myfaces.core:myfaces-impl (JAVA):
Affected version(s) >=2.3.1 <2.3.12
Fix Suggestion:
Update to version 2.3.12
org.apache.myfaces.core:myfaces-impl (JAVA):
Affected version(s) >=3.0.0 <3.0.4
Fix Suggestion:
Update to version 3.0.4
org.apache.myfaces.core:myfaces-bundle (JAVA):
Affected version(s) >=4.1.0 <4.1.4
Fix Suggestion:
Update to version 4.1.4
org.apache.myfaces.core:myfaces-impl (JAVA):
Affected version(s) >=4.0.0 <4.0.4
Fix Suggestion:
Update to version 4.0.4
org.apache.myfaces.core:myfaces-bundle (JAVA):
Affected version(s) >=2.3-next-M1 <2.3-next-M9
Fix Suggestion:
Update to version 2.3-next-M9
org.apache.myfaces.core:myfaces-bundle (JAVA):
Affected version(s) >=2.3.1 <2.3.12
Fix Suggestion:
Update to version 2.3.12
org.apache.myfaces.core:myfaces-impl (JAVA):
Affected version(s) >=2.3-next-M1 <2.3-next-M9
Fix Suggestion:
Update to version 2.3-next-M9
org.apache.myfaces.core:myfaces-impl (JAVA):
Affected version(s) >=4.1.0 <4.1.4
Fix Suggestion:
Update to version 4.1.4
Related Resources (3)
http://www.openwall.com/lists/oss-security/2026/09/16/12
https://nvd.nist.gov/vuln/detail/CVE-2026-76646
https://lists.apache.org/thread/q8zxrdhbmmx8ofgr9s7ymnqo8l2x8oy9
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.58