Medium 5.4Published Jun 30, 2026

CVE-2026-56224Capgo - Login CSRF and Session Fixation via URL Query Parameters

Updated under an hour ago (Oct 28, 2026, 12:50 AM ET)

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It affects Capgo. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Capgo

Exploited in the last 30 days

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.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-384
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Capgo Capgo capgo:capgo (from the name)	before 12.128.2; 12.128.2 not affected	CNA record

References

References

https://github.com/Cap-go/capgo/security/advisories/GHSA-83f5-439g-pwmj	vendor-advisory
https://www.vulncheck.com/advisories/capgo-login-csrf-and-session-fixation-via-url-query-parameters	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.