seteuid failure ignored in auth modules

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.

Scores

EPSS (exploitation in 30 days)

0.28% · top 80% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.

Weakness

• CWE-273: Improper Check for Dropped Privileges (opens in a new tab)All about CWE-273 and its CVEs

Affected products

• Netatalk · Netatalk

  • affected 1.5.0 – ≤ 4.4.2
  • unaffected 4.5.0

References (1)

• Netatalk Security Advisory CVE-2026-44073 (opens in a new tab)vendor-advisory

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-44073](https://trackcve.app/badge/CVE-2026-44073.svg)](https://trackcve.app/cve/CVE-2026-44073)

Record last updated 21 May 2026, 12:23 UTC.