Vulnerability · Published May 21, 2026 · Assigned by securin
CVE-2026-44058Authentication bypass via admin auth user
Medium 6.4
In plain English
A medium-severity improper authentication in Netatalk from Netatalk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.5%top 54.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An authentication bypass vulnerability in Netatalk 2.2.2 through 4.4.2 allows a remote privileged user to authenticate as an arbitrary user via the admin auth user mechanism.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | netatalk | 4.5.0-r0 | ALPINE-CVE-2026-44058 |
| Debian:13 | netatalk | no fix listed | DEBIAN-CVE-2026-44058 |
| Debian:14 | netatalk | 4.5.0~ds-1 | DEBIAN-CVE-2026-44058 |
| Ubuntu:22.04:LTS | netatalk | no fix listed | UBUNTU-CVE-2026-44058 |
| Ubuntu:24.04:LTS | netatalk | no fix listed | UBUNTU-CVE-2026-44058 |
| Ubuntu:25.10 | netatalk | no fix listed | UBUNTU-CVE-2026-44058 |
| Ubuntu:26.04:LTS | netatalk | no fix listed | UBUNTU-CVE-2026-44058 |
Affected products (as reported)
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- Netatalk Security Advisory CVE-2026-44058 vendor-advisory