CVE-2026-119336 Pi-hole - Race Condition

Pi-hole 6.4.2 to < 6.5 contains a race condition and symlink vulnerability in the root-run updatecheck.sh cron job, letting attackers with pihole user privileges modify root-owned files or change permissions, exploit requires attacker to have pihole user access.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Privilege Escalation, Information Disclosure
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-59

Vendor fix

Update to version 6.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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