Vulnerability · Published Nov 8, 2026 · Assigned by VulnCheck
CVE-2026-123502Vikunja before 2.7.1 Link-Share Hash Exposure via Request Path Logging
Medium 5.2
In plain English
A medium-severity sensitive data in logs in vikunja from go-vikunja. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)5.2Medium
Exploit odds (30 days)–no EPSS score yet
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| go-vikunja | vikunja | 0 – before 2.7.1 |
Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N
References
- GitHub Security Advisory (GHSA-ff52-3296-2fvr) vendor-advisory
- VulnCheck Advisory: Vikunja before 2.7.1 Link-Share Hash Exposure via Request Path Logging third-party-advisory