---
id: CVE-2026-123502
title: Vikunja before 2.7.1 Link-Share Hash Exposure via Request Path Logging
summary: >-
  Vikunja before 2.7.1 contains an information exposure vulnerability that
  allows log readers to obtain link-share hashes because the request logger
  records the raw URI of the /shares/:share/auth route. Attackers with access to
  Vikunja or …
severity: medium
cvss: 5.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-532
vendor: go-vikunja
product: vikunja
affected:
  - vikunja < 2.7.1
published: '2026-11-08'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T01:37:18.393Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123502'
references:
  - url: >-
      https://github.com/go-vikunja/vikunja/security/advisories/GHSA-ff52-3296-2fvr
    label: GitHub Security Advisory (GHSA-ff52-3296-2fvr)
  - url: >-
      https://www.vulncheck.com/advisories/vikunja-before-2.7.1-link-share-hash-exposure-via-request-path-logging
    label: >-
      VulnCheck Advisory: Vikunja before 2.7.1 Link-Share Hash Exposure via
      Request Path Logging
tags:
  - cve.org
ingestedAt: '2026-11-08T02:43:18.700Z'
---

## Overview

Vikunja before 2.7.1 contains an information exposure vulnerability that allows log readers to obtain link-share hashes because the request logger records the raw URI of the /shares/:share/auth route. Attackers with access to Vikunja or reverse proxy access logs can reuse non-expiring, non-password-protected share hashes to obtain a project JWT with read, write or admin permission.

## Affected

- `vikunja < 2.7.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.