Capgo - Login CSRF and Session Fixation via URL Query Parameters
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-384.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Capgo (Capgo) Fixed in 12.128.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Capgo 12.128.2
15 records Highest priority Priority HIGH 8 HIGH, 6 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-40665 Capgo - Unauthenticated API Key Validity and Permission Oracle via RPC FunctionsPriority HIGH 77
- TI-2026-40584 Capgo - Unauthenticated RBAC Bindings and Email Disclosure via get_org_user_access_rbac NULL-auth BypassPriority HIGH 77
- TI-2026-40612 Capgo - Privilege Escalation via Cross-Scope RBAC Role AssignmentPriority HIGH 73
Timeline
- 2026-10-02 Threatist record created from CVE-2026-56224
- 2026-10-03 Alias added: GHSA-5ph3-fx7r-fpq3
References
More Capgo vulnerabilities
- TI-2026-40602 Capgo - Unauthenticated API Key Generation via Client-Side Parameter Manipulation CVSS 4.0CRITICAL 9.3
- TI-2026-40473 Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email CVSS 4.0CRITICAL 9.3
- TI-2026-40465 Cap-go - OTP Bypass via Response Manipulation in Email Verification CVSS 4.0CRITICAL 9.3
- TI-2026-64782 capgo.app through 12.129.0 Cache Restoration of Deleted Bundles CVSS 4.0HIGH 8.7
- TI-2026-40704 Capgo - Unauthenticated Organization Existence Enumeration via rescind_invitation RPC CVSS 4.0HIGH 8.7
- TI-2026-40689 Capgo - Rate Limit Bypass via User-Controlled device_id Parameter CVSS 4.0HIGH 8.8
Sources
- CVE-2026-56224 · CVE Program
- CVE-2026-56224 · NVD
- FIRST EPSS
- GHSA-5ph3-fx7r-fpq3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences