https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-02T22:26:11.311078+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2025-27591 CVE-2025-27591 2026-10-02T22:26:11.312783+00:00

Affected: Meta Platforms, Inc below

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.

 https://cve.radiocsirt.org/vuln/ghsa-9mc5-7qhg-fp3w GHSA-9mc5-7qhg-fp3w — Below has Incorrect Permission Assignment for Critical Resource 2026-10-02T22:26:11.312834+00:00

Affected: crates.io: below

### Impact 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.

### Patches https://github.com/facebookincubator/below/commit/10e73a21d67baa2cd613ee92ce999cda145e1a83

This is included in version 0.9.0

### Workarounds Change the permission on `/var/log/below` manually

### References https://www.facebook.com/security/advisories/cve-2025-27591 https://www.cve.org/CVERecord?id=CVE-2025-27591