Vulnerability in Capgo
CVE-2026-56224
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Capgo — versions 0, 12.128.2
Weakness classification (CWE)
References
- github.com/Cap-go/capgo/security/advisories/GHSA-83f5-439g-pwmj (vendor-advisory)
- www.vulncheck.com/advisories/capgo-login-csrf-and-session-fixation-via-url-quer… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56224?
- CVE-2026-56224 is a medium-severity vulnerability in Capgo, classified under Session Fixation. CVSS score: 5.4/10. Published 2026-06-30.
- How severe is CVE-2026-56224?
- Medium severity. CVSS v3 base score is 5.4 out of 10.