Credential Exposure Vulnerability in Vikunja by Vikunja Team
CVE-2026-123513

7.6HIGH

Key Information:

Vendor

Go-vikunja

Status
Vikunja
Vendor
CVE Published:
8 November 2026

What is CVE-2026-123513?

Vikunja versions prior to 2.7.1 are susceptible to a credential exposure vulnerability that allows an attacker to exploit the frontend API URL switch. This flaw results in the unauthorized retrieval of sensitive stored authentication tokens, including bearer tokens and desktop OAuth refresh tokens. If an unsuspecting user is manipulated into changing the API URL, these tokens may be exposed and transmitted to the attacker's server, posing a significant risk of account takeover.

Affected Version(s)

vikunja 0 < 2.7.1

vikunja 2.7.1

References

https://github.com/go-vikunja/vikunja/security/advisories...
vendor-advisory
https://www.vulncheck.com/advisories/vikunja-before-2.7.1...
third-party-advisory

CVSS V4

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.