CVE-2025-54816: This vulnerability occurs when a WebSocket endpoint does not enforce proper authentication mechanisms, allowi
CVE-2025-54816 is a critical-severity flaw (CVSS 9.4) affecting evmapa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
This vulnerability occurs when a WebSocket endpoint does not enforce proper authentication mechanisms, allowing unauthorized users to establish connections. As a result, attackers can exploit this weakness to gain unauthorized access to sensitive data or perform unauthorized actions. Given that no authentication is required, this can lead to privilege escalation and potentially compromise the security of the entire system.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.4 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2026-01-22 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-54816?
evmapa: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-54816 being exploited?
CVE-2025-54816 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-54816 affect?
CVE-2025-54816 affects evmapa. Severity is critical (CVSS 9.4). This vulnerability occurs when a WebSocket endpoint does not enforce proper authentication mechanisms, allowing unauthorized users to establish connections. As a result, attackers can exploit this weakness to gain unauthorized access to
How urgent is CVE-2025-54816?
Priority 48/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2025-55705 HIGH 7.3 MITIGATE This vulnerability occurs when the system permits multiple simultaneous connections to the backend using the
- CVE-2025-53968 HIGH 7.5 MITIGATE This vulnerability arises because there are no limitations on the number of authentication attempts a user ca