CVE-2026-56224 | Capgo console.capgo.app/login before 12.128.2 accepts access… | CVSS 5.4 MEDIUM

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.

Metadata

CVE ID: CVE-2026-56224
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-19 21:46 UTC
Published: 2026-06-30 22:08 UTC
Last updated: 2026-06-30 22:08 UTC
Primary CWE: CWE-384
Session Fixation
Vendor / Product: Capgo / Capgo
Sources: cve.org · NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products (1)

Vendor	Product	Platform	Versions
Capgo	Capgo	—	0 < 12.128.2, 12.128.2

Weakness (CWE)

CWE	Source	Description
CWE-384	cna	Session Fixation

CVSS scores (2)

Score	Severity	Version	Source	Vector
5.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
5.1	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References (2)

GitHub Security Advisory (GHSA-83f5-439g-pwmj) https://github.com/Cap-go/capgo/security/advisories/GHSA-83f5-439g-pwmj
VulnCheck Advisory: Capgo - Login CSRF and Session Fixation via URL Query Parameters https://www.vulncheck.com/advisories/capgo-login-csrf-and-session-fixation-via-url-query-parameters