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.
CVE-2026-41458
This high-severity CVE scores 8.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.2
- EG Score
- 8.2(medium)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity82% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 29.1%
- KEV
- Not listed
Published
April 22, 2026
Last Modified
July 14, 2026
Advisory Details (3)
Auto-updated May 4, 2026OwnTone Server < 29.1 Race Condition DoS via DAAP Login | Advisories | VulnCheck
https://www.vulncheck.com/advisories/owntone-server-race-condition-dos-via-daap-login[daap] Fix session list race during concurrent logins by yhcho0405 · Pull Request #1980 · owntone/owntone-server · GitHub
https://github.com/owntone/owntone-server/pull/1980[daap] Fix session list race during concurrent logins · owntone/owntone-server@dca9464 · GitHub
https://github.com/owntone/owntone-server/commit/dca94641a5ed66500822dd51281774794cdb6c22Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 34× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 116 total refreshes for this CVE.
- 2026-07-25 14:18 UTCEPSS rescore
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Frequently asked(5)
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Dependency Blast Radius
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