CVE-2026-33266
Apache OpenMeetings: Hardcoded Remember-Me Cookie Encryption Key and Salt
- Published
- Apr 9, 2026
- Updated
- Apr 10, 2026
- Assigning CNA
- apache
- Evidence observed
- Oct 17, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NLow · next 30 days
- Percentile
- 26.5%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
Apache OpenMeetings 9.1.0 - High - Remote - ATO - remember-me cookie replay authenticates without password
Responsible use
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