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Threats Tagged 'cve-2026-57957'

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Threats Tagged 'cve-2026-57957'

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GHSA-4cq7-5c7c-cc5rCVE-2026-57957
0

Papermark versions through 0.22.0 have a CORS misconfiguration vulnerability in the TUS-based viewer upload endpoint. This flaw allows unauthenticated remote attackers to perform credentialed cross-origin requests by reflecting arbitrary Origins with Access-Control-Allow-Credentials set to true. Attackers can trick authenticated users into visiting malicious sites that silently upload files to victim datarooms and read credentialed responses.

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