What’s Vulnerable › Vulnerabilities

CVE-2026-7837: TOCTOU with root privilege in ad_flush

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-21 · updated 2026-07-23
• Weakness: CWE-367

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.

Affected products

• Netatalk: from 3.0.0 through 4.4.2

References

• https://netatalk.io/security/CVE-2026-7837

Get alerted when CVE-2026-7837 or the next vulnerability affects your stack