What’s Vulnerable › Vulnerabilities

CVE-2026-41458: OwnTone Server < 29.1 Race Condition DoS via DAAP Login

• Severity: high (CVSS 8.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-22 · updated 2026-10-26
• Weakness: CWE-362

Description

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.

Affected products

• owntone-server: from 28.4.0 before 29.1.0 — fixed in 29.1.0

How to fix

Upgrade to a fixed version: owntone-server 29.1.0. Check the vendor advisory for mitigations.

References

• 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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