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Description

Race condition in the turbo-frame element handler in Hotwired Turbo before 8.0.x causes logout operations to fail when delayed frame responses reapply session cookies after logout. This can be exploited by remote attackers via selective network delays (e.g. delaying requests based on sequence or timing) or by physically proximate attackers when the race condition occurs naturally on shared computers.

PUBLISHED Reserved 2025-12-08 | Published 2026-01-20 | Updated 2026-01-21 | Assigner mitre

References

github.com/hotwired/turbo/pull/1399

turbo.hotwired.dev/handbook/frames

github.com/.../turbo/security/advisories/GHSA-qppm-g56g-fpvp

cve.org (CVE-2025-66803)

nvd.nist.gov (CVE-2025-66803)

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