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TI-2026-40670 Aliases CVE-2026-56305GHSA-j3rw-h6r5-mm7x

Capgo - Authentication Bypass in Password Change via Missing Current Password Validation

Priority HIGH 73CWE-620Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Capgo before 12.128.2 contains an authentication bypass vulnerability in the password change endpoint that allows attackers to change user passwords without requiring current password confirmation. Attackers with temporary session access can exploit this flaw to permanently lock out legitimate users and achieve full account takeover.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00449 39th percentileScored 2026-11-07
Fix Fixed Capgo (Capgo): 12.128.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CapgoCapgobefore 12.128.212.128.2Patch availableCNA
  • Capgo VendorCapgo Affected before 12.128.2 Fixed in 12.128.2 Patch available CNA

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

    6 records Highest priority Priority HIGH 2 HIGH, 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-40644 Capgo - Information Disclosure via get_orgs_v7 RPC EndpointPriority HIGH 77
    • TI-2026-40700 Capgo - Channel Configuration Mutation via Write-Scoped API KeysPriority MEDIUM 64
    • TI-2026-40694 Capgo - Cross-Tenant Preview Namespace Collision via Non-Bijective Underscore DecodingPriority MEDIUM 57
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56305
  2. 2026-10-03 Alias added: GHSA-j3rw-h6r5-mm7x

References

Advisory 1

  • 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
See all 124 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences