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CVE-2026-33266
Published:April 09, 2026
Updated:April 20, 2026
Use of Hard-coded Cryptographic Key vulnerability in Apache OpenMeetings. The remember-me cookie encryption key is set to default value in openmeetings.properties and not being auto-rotated. In case OM admin hasn't changed the default encryption key, an attacker who has stolen a cookie from a logged-in user can get full user credentials. This issue affects Apache OpenMeetings: from 6.1.0 before 9.0.0. Users are recommended to upgrade to version 9.0.0, which fixes the issue.
Affected Packages
https://github.com/apache/openmeetings.git (GITHUB):
Affected version(s) >=6.1.0 <9.0.0
Fix Suggestion:
Update to version 9.0.0
org.apache.openmeetings:openmeetings-util (JAVA):
Affected version(s) >=6.2.0 <9.0.0
Fix Suggestion:
Update to version 9.0.0
org.apache.openmeetings:openmeetings-db (JAVA):
Affected version(s) >=6.2.0 <9.0.0
Fix Suggestion:
Update to version 9.0.0
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
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
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Hard-coded Cryptographic Key
EPSS
Base Score:
0.07