Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Openmeetings | >= 6.1.0, < 9.0.0 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/b05jnp9563v49zq494lox9kjbhhf2w66Mailing ListVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/04/09/11Mailing ListThird Party Advisory
FAQ
What is CVE-2026-33266?
CVE-2026-33266 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2026-33266?
CVE-2026-33266 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33266?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Openmeetings.