← CVE Intelligence

CVE-2026-56329

Capgo - Cross-Tenant Preview Namespace Collision via Non-Bijective Underscore Decoding PUBLISHED

Description (CNA)

Capgo before 12.128.2 contains a cross-tenant preview namespace collision vulnerability caused by non-bijective decoding of double underscores to dots in preview hostname parsing. Attackers can register app IDs with underscores that collide with other tenants' dotted app IDs, causing preview misrouting and denial of preview access for victim applications.

Affected (CNA)

Vendor / productVersions
Capgo / Capgoaffected 0 before 12.128.2; unaffected 12.128.2

CWE

CWE-436

References

ADP enrichment

CISA-ADP

No English description supplied.