Download Latest Version BookStack v26.03.5 source code.tar.gz (4.5 MB)
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BookStack v26.03.5 source code.tar.gz 2026-05-21 4.5 MB
BookStack v26.03.5 source code.zip 2026-05-21 5.7 MB
README.md 2026-05-21 813 Bytes
Totals: 3 Items   10.2 MB 5

Security Release

This is a security release to address a brute-force based vulnerability related to multi-factor authentication, and to update project libraries to help avoid potential vulnerabilities that have been reported in those.

Upgrade is generally advised, but strongly so where multi-factor authentication is used & considered as a critical layer of defense.

Thanks to Stephen O. / Sakusen (Codeberg, Website) for responsibly reporting these issues.

Full List of Changes

  • Updated PHP package versions.
  • Updated MFA verification routes with rate limiting.
Source: README.md, updated 2026-05-21