CVE-2021-4026: Exposure of Resource to Wrong Sphere

December 1, 2021 (updated December 2, 2021)

bookstack is vulnerable to Improper Access Control

References

github.com/BookStackApp/BookStack/releases/tag/v21.11.2
github.com/advisories/GHSA-jm6p-wfjg-xm7x
github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92
huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d
nvd.nist.gov/vuln/detail/CVE-2021-4026

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