CVE-2026-7837

Low

Description

A time-of-check time-of-use (TOCTOU) condition in the ad_flush function in Netatalk 3.0.0 through 4.4.2 involves root-privileged file operations, which may allow a remote attacker to cause limited data modification under specific race conditions.

SeverityLow

CVSS3.7

Exploit probability—

ProductNetatalk

PublishedMay 21, 2026

First seenMay 21, 2026

Weakness typeCWE-367CWE-367

How to fix

Vendor advisories

netatalk.io/security/CVE-2026-7837

Affected products

Product	Affected versions	Fixed in
Netatalk Netatalk	3.0.0 ≤ v ≤ 4.4.2	—

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