# BookStack.

Every CVE that names BookStack among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft Pages](https://agentprime.io/advisories/CVE-2026-116020.md)
  `CVE-2026-116020` · CVE record: BookStackApp BookStack · CVSS 5.3 Medium · Not analysed yet · Published 24 Oct 2026 · Tags: Broken access control
- [BookStack < 26.05.5 Authentication Bypass via Social Login Provider Confusion](https://agentprime.io/advisories/CVE-2026-89022.md)
  `CVE-2026-89022` · CVE record: bookstackapp bookstack · CVSS 9.1 Critical · Critical (CVSS 9+) · Not analysed yet · Published 15 Sept 2026 · Tags: Authentication bypass
- [BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control](https://agentprime.io/advisories/CVE-2026-86285.md)
  `CVE-2026-86285` · CVE record: BookStack · CVSS 5.3 Medium · Not analysed yet · Published 7 Sept 2026 · Tags: Privilege escalation, Broken access control
- [BookStack before 26.05.4 Stored XSS via Drawing Upload](https://agentprime.io/advisories/CVE-2026-84695.md)
  `CVE-2026-84695` · CVE record: bookstackapp bookstack · CVSS 9.3 Critical · Critical (CVSS 9+) · Not analysed yet · Published 2 Sept 2026 · Tags: Cross-site scripting (XSS)
- [BookStack before 26.05.4 Remote Code Execution via Book Cover](https://agentprime.io/advisories/CVE-2026-82450.md)
  `CVE-2026-82450` · CVE record: bookstackapp bookstack · CVSS 8.7 High · Not analysed yet · Published 29 Aug 2026 · Tags: Unrestricted file upload
- [BookStack < 26.05.4 Broken Access Control via Image Gallery API](https://agentprime.io/advisories/CVE-2026-67204.md)
  `CVE-2026-67204` · CVE record: BookStackApp BookStack · CVSS 5.3 Medium · Not analysed yet · Published 24 Aug 2026 · Tags: Broken access control
- [BookStackApp BookStack Chapter Export ExportFormatter.php chapterToMarkdown access control](https://agentprime.io/advisories/CVE-2026-5484.md)
  `CVE-2026-5484` · CVE record: BookStackApp BookStack · CVSS 6.9 Medium · Not analysed yet · Published 3 Apr 2026 · Tags: Privilege escalation, Broken access control
- [Book Stack v23.10.2 - LFR via Blind SSRF](https://agentprime.io/advisories/CVE-2023-6199.md)
  `CVE-2023-6199` · CVE record: BookStack BookStack · CVSS 6.5 Medium · Not analysed yet · Published 20 Nov 2023 · Tags: Server-side request forgery (SSRF)
- [Cross-site scripting in BookStack](https://agentprime.io/advisories/CVE-2022-40690.md)
  `CVE-2022-40690` · CVE record: BookStack BookStack · CVSS 5.4 Medium · Not analysed yet · Published 24 Oct 2022 · Tags: Cross-site scripting (XSS)
- [Server Side Request Forgery in BookStack](https://agentprime.io/advisories/CVE-2020-26260.md)
  `CVE-2020-26260` · CVE record: BookStackApp BookStack · CVSS 6.4 Medium · Not analysed yet · Published 9 Dec 2020 · Tags: Other injection
- [Cross-Site Scripting in BookStack](https://agentprime.io/advisories/CVE-2020-26210.md)
  `CVE-2020-26210` · CVE record: BookStackApp BookStack · CVSS 7.7 High · Not analysed yet · Published 3 Nov 2020 · Tags: Cross-site scripting (XSS)

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=bookstack>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/bookstack/>. Everything for agents: <https://agentprime.io/llms.txt>.