Vulnerability record · CVE-2026-41458 · published 22 April 2026

CVE-2026-41458: Race condition vulnerability

OwnTone Server versions 28.4 through 29.0 contain a race condition vulnerability in the DAAP login handler that allows unauthenticated attackers to crash the server by exploiting unsynchronized access to the global DAAP session list. Attackers can flood the DAAP /login endpoint with concurrent requests to trigger a remote denial of service condition without requiring authentication.

8.2 CVSS 4.0 High EPSS 0.52% · top 57.9% CWE-362 · Race condition Deferred

8.2CVSS 4.0 base score

0.52%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

14 Jul 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/owntone/owntone-server/commit/dca94641a5ed66500822dd51281774794cdb6c22
https://github.com/owntone/owntone-server/pull/1980
https://www.vulncheck.com/advisories/owntone-server-race-condition-dos-via-daap-login

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-41458), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.