Vulnerability · Published Jun 30, 2026 · Assigned by VulnCheck
CVE-2026-56224Capgo - Login CSRF and Session Fixation via URL Query Parameters
Medium 5.4
In plain English
A medium-severity session fixation in Capgo from Capgo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 80.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Capgo console.capgo.app/login before 12.128.2 accepts access_token and refresh_token in URL query parameters, automatically authenticating users without confirmation. Attackers can craft malicious links to force victims into attacker-controlled sessions, exposing tokens in browser history and logs.
Affected products (as reported)
Weakness: CWE-384 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
References
- GitHub Security Advisory (GHSA-83f5-439g-pwmj) vendor-advisory
- VulnCheck Advisory: Capgo - Login CSRF and Session Fixation via URL Query Parameters third-party-advisory