Vulnerability · Published May 21, 2026 · Assigned by securin
CVE-2026-44073seteuid failure ignored in auth modules
Medium 4.0
In plain English
A medium-severity security flaw 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 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | netatalk | 4.5.0-r0 | ALPINE-CVE-2026-44073 |
| Debian:13 | netatalk | no fix listed | DEBIAN-CVE-2026-44073 |
| Debian:14 | netatalk | 4.5.0~ds-1 | DEBIAN-CVE-2026-44073 |
| Ubuntu:25.10 | netatalk | no fix listed | UBUNTU-CVE-2026-44073 |
| Ubuntu:26.04:LTS | netatalk | no fix listed | UBUNTU-CVE-2026-44073 |
| Ubuntu:26.10 | netatalk | no fix listed | UBUNTU-CVE-2026-44073 |
Affected products (as reported)
Weakness: CWE-273 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- Netatalk Security Advisory CVE-2026-44073 vendor-advisory