CVE-2026-56313

HIGH

Capgo - Cross-Organization Account Disruption via SSO Prelink Endpoint

Title source: cna
STIX 2.1

Description

Capgo before 12.128.2 contains a cross-organization account disruption vulnerability in the SSO prelink endpoint that allows enterprise administrators to delete password identities of users in foreign organizations. Attackers with org.update_settings permission and an active SSO provider can call the prelink-users endpoint to permanently remove email-based authentication for any user matching the provider's email domain, forcing victims to use the attacker's SSO provider or complete password reset recovery.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-x3vq-34gg-cwq7)
https://github.com/Cap-go/capgo/security/advisories/GHSA-x3vq-34gg-cwq7
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Cross-Organization Account Disruption via SSO Prelink Endpoint
https://www.vulncheck.com/advisories/capgo-cross-organization-account-disruption-via-sso-prelink-endpoint

Scores

CVSS v3 8.1
EPSS 0.0028
EPSS Percentile 19.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-285
Status published
Products (2)
Capgo/Capgo < 12.128.2
Capgo/Capgo 12.128.2
Published Jul 12, 2026
Tracked Since Jul 12, 2026