Capgo - HTML Injection Leading to Open Redirection in Organization Settings
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Capgo before 12.128.2 contains an html injection vulnerability in the organization settings endpoint that allows attackers to inject malicious HTML content. Attackers can craft payloads in the organization name field to redirect users to untrusted websites, enabling phishing attacks and reputational damage.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
7 records Highest priority Priority HIGH 2 HIGH, 4 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-40615 Capgo - Arbitrary R2 Object Deletion via Mutable r2_path in app_versionsPriority HIGH 77
- TI-2026-40611 Capgo - Cross-Organization Authorization Bypass via Scoped API Key Privilege InheritancePriority HIGH 67
- TI-2026-40585 Capgo - Unauthorized Manifest Insertion via Read-Only Org MemberPriority MEDIUM 64
Timeline
- 2026-10-02 Threatist record created from CVE-2026-56283
- 2026-10-03 Alias added: GHSA-pjwf-764c-cr9c
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-2026-56283 · CVE Program
- CVE-2026-56283 · NVD
- FIRST EPSS
- GHSA-pjwf-764c-cr9c · 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