CVE-2026-44599 Missing authorization in Tor
Tor allows unauthorized directory requests via conflux legs, potentially bypassing access controls and compromising network integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44599?
CVE-2026-44599 is a low-severity missing authorization vulnerability in torproject Tor, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008.
Weakness: CWE-669
Which versions are affected by CVE-2026-44599?
It affects 1 product.
Products include Torproject Tor.
How do I fix CVE-2026-44599?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-44599 being exploited?
There is no known exploitation of CVE-2026-44599 in the wild and no public exploit code.
Other vulnerabilities in torproject Tor
Sources
Also known as DEBIAN-CVE-2026-44599, GHSA-rprm-6mg6-r8fm, UBUNTU-CVE-2026-44599.