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

Quick assessment

Affected
go-vikunja vikunja
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vikunja 是一款开源的自托管任务管理平台。在 2.4.0 版本之前，密码重置、邮件确认和账户删除令牌以明文形式存储在 表中。如果攻击者通过备份泄露、存储配置错误或 SQL 层面的暴露获取数据库的读权限，他们可以直接利用待使用的令牌接管用户账户，而无需知道用户的密码。该问题已在 2.4.0 版本中修复。

CVSS 8.1 · High EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
go-vikunja vikunja < 2.4.0 affected
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I. Basic Information for CVE-2026-62376

Vulnerability Information
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Vulnerability Title
Vikunja: Plaintext storage of password-reset/email-confirm tokens in database enables account takeover on DB read access
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
go-vikunja vikunja < 2.4.0 -

II. Public POCs for CVE-2026-62376

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III. Intelligence Information for CVE-2026-62376

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Patches & Fixes for CVE-2026-62376 (2)

Vendor Advisories for CVE-2026-62376 (1)

Vendor Pages for CVE-2026-62376 (1)

Same Patch Batch · go-vikunja · 2026-10-09 · 3 CVEs total

CVE-2026-57458 8.1 HIGH Vikunja: Scoped API token can mint unrestricted OAuth session credentials
CVE-2026-62367 7.5 HIGH Vikunja: OIDC email-fallback account linking ignores email_verified, enabling local-accoun

IV. Related Vulnerabilities

Same product: vikunja
Same vendor: go-vikunja
Same weakness: CWE-312

V. Comments for CVE-2026-62376

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