Facebook Below
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By the Year
In 2026 there have been 0 vulnerabilities in Facebook Below. Last year, in 2025 Below had 1 security vulnerability published. Right now, Below is on track to have less security vulnerabilities in 2026 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 1 | 0.00 |
It may take a day or so for new Below vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Facebook Below Security Vulnerabilities
Privilege Escalation via world-writable /var/log/below (<v0.9.0)
CVE-2025-27591
- March 11, 2025
A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow.
Incorrect Permission Assignment for Critical Resource
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