CVE-2026-44053 Weak cryptography in DHCAST128 UAM
Remote attackers can obtain credentials or impersonate users via cryptanalytic attacks on the weak DHCAST128 algorithm in Netatalk.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44053?
CVE-2026-44053 is a high-severity vulnerability in Netatalk, published on 21 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Netatalk 1.5.0 through 4.2.2 uses a broken cryptographic algorithm in the DHCAST128 UAM, which allows a remote attacker to obtain authentication credentials or impersonate a user via cryptanalytic attack.
Weakness: CWE-327
Which versions are affected by CVE-2026-44053?
How do I fix CVE-2026-44053?
Upgrade to a fixed version.
Is CVE-2026-44053 being exploited?
There is no known exploitation of CVE-2026-44053 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-44053, GHSA-8vhp-c4pr-9rq3, UBUNTU-CVE-2026-44053.