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Low 3.7Published May 21, 2026

CVE-2026-7837TOCTOU with root privilege in ad_flush

Updated under an hour ago ()

Does this affect you?

It affects Netatalk. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-367
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
securin
NVD analysis
Deferred
Record last updated
May 21, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Netatalk Netatalk
netatalk:netatalk (from the name)
from 3.0.0 through 4.4.2; 4.5.0 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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