CVE-2026-63297
criticalpriority · track · 0OT risk · elevatedEPSS 0.003 · 28 %ileEUUSEPSS · scored 2026-10-28
An authorization bypass vulnerability in LXD due to a timing flaw during configuration merging allows an authenticated attacker to bypass target project restrictions during cross-project instance copies. When copying an instance to a target project, LXD performs restriction checks before configuration merging is complete, creating a time-of-check to time-of-use (TOCTOU) condition. An attacker can exploit this flaw to copy instances with disallowed high-privilege configurations into restricted projects, bypassing security controls.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (5)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
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references (3)
External citations — patches, advisories, analysis.
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