EUVD-2026-43224
GHSA-v7q8-55qw-h6hr
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable RPCs (AV:N), no special conditions once stale (AC:L), attacker must have held a privileged account (PR:L); bulk deletion drives I:H/A:H while enumeration gives only C:L.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted super_admin users retain access to delete_non_compliant_bundles and count_non_compliant_bundles RPCs due to stale org_users.user_right column not being cleared during role binding deletion. Attackers can exploit this by maintaining a previously granted super_admin role to enumerate and bulk delete non-compliant bundles across the entire organization indefinitely.
AnalysisAI
Privilege escalation in Capgo before 12.128.2 lets demoted super_admin users retain organization-wide bundle management rights because the org_users.user_right column is not cleared when their role binding is deleted. A user who once held super_admin can continue invoking the delete_non_compliant_bundles and count_non_compliant_bundles RPCs to enumerate and bulk-delete non-compliant bundles across the entire organization indefinitely, well after their privileges were supposedly revoked. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker was previously granted the super_admin role in the target Capgo organization and that their user account/session remains active after the role binding was deleted; the stale org_users.user_right value is what preserves access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor's CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H, score 7.2 High) describes a network-reachable, low-complexity attack requiring low privileges and no user interaction, with high integrity and availability impact and low confidentiality impact - consistent with a former insider bulk-deleting data via authenticated RPCs. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An organization revokes a contractor's super_admin role in Capgo, believing their destructive access is gone. Because org_users.user_right was never cleared, the contractor's still-valid account continues to call the count_non_compliant_bundles RPC to enumerate targets and then delete_non_compliant_bundles to wipe non-compliant bundles across the whole organization, causing service and integrity damage. … |
| Remediation | Vendor-released patch: upgrade Capgo to version 12.128.2 or later, which clears the stale org_users.user_right column during role binding deletion; see the advisory at https://github.com/Cap-go/capgo/security/advisories/GHSA-rvvc-rvxv-qcrh. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit Capgo org_users table for super_admin role assignments and recent deletions; review API logs for calls to delete_non_compliant_bundles and count_non_compliant_bundles from users whose admin role was recently removed; restrict network access to Capgo bundle deletion endpoints. …
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Same weakness CWE-285 – Improper Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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