CVE-2026-33266
Last modified
CVE-2026-33266 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Openmeetings | >= 6.1.0, < 9.0.0 |
References
- https://lists.apache.org/thread/b05jnp9563v49zq494lox9kjbhhf2w66Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/04/09/11Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-33266?
How severe is CVE-2026-33266?
How do I fix CVE-2026-33266?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-3326The Xstore WordPress theme before 9.7.3 does not properly sa…8.6
- CVE-2026-33260An attacker can send a web request that causes unlimited mem…7.5
- CVE-2026-33261A zone transition from NSEC to NSEC3 might trigger an intern…5.9
- CVE-2026-33262An attacker can send replies that result in a null pointer d…5.9
- CVE-2026-33264A bug in `BaseSerialization.deserialize()` allowed unrestric…9.8
- CVE-2026-33265In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for b…9
- CVE-2026-33267Improper Input Validation vulnerability in Apache Traffic Se…9.1
- CVE-2026-33268Nanoleaf Lines 12.3.2 does not authenticate firmware file up…6.9
- CVE-2026-3327Authenticated Iframe Injection in Dato CMS Web Previews plug…4.8
- CVE-2026-33271Local privilege escalation due to insecure folder permission…6.7
- CVE-2026-33273Unrestricted upload of file with dangerous type issue exists…7.2
- CVE-2026-33276Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) be…5.4
Are you affected by CVE-2026-33266?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST