CVE-2026-41458 PUBLISHED

OwnTone Server < 29.1 Race Condition DoS via DAAP Login

Assigner: VulnCheck
Reserved: 20.04.2026 Published: 22.04.2026 Updated: 22.04.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	owntone
Product	owntone-server
Versions	Default: unaffected affected from 28.7.0 to 29.1.0 (excl.) Version dca94641a5ed66500822dd51281774794cdb6c22 is unaffected

Credits

Younghyo Cho @ CIS Lab., Seoultech. finder

References

Problem Types

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE