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CVE-2026-56309

mediumCVSS 5.4covered by 1 sourcefirst seen 2026-07-10
Capgo before 12.128.2 fails to enforce plan/quota restrictions on the /files/upload/attachments endpoint, allowing plan-blocked apps to create publicly readable R2 objects. Attackers can upload arbitrary attachments using upload-scoped API keys that bypass plan checks, persist outside normal bundle metadata, and survive app deletion, enabling storage and bandwidth abuse.

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Advisory coverage (1)

External references

NVD record for CVE-2026-56309

CVE.org record

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