CVE-2026-44055CWE-78

Bitwise OR logic bug enables shell injection

High · published May 21, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
48.5
In the wild
Unconfirmed
What it is

A logic error involving bitwise OR operations in Netatalk 3.1.4 through 4.4.2 allows a remote authenticated attacker to inject OS commands and execute arbitrary code.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00610 · 48.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-05-21T07:34Z
EPSS history
Timeline
  • 21 MAY 07:34Z
    Bitwise OR logic bug enables shell injection
    cvelistv5