CVE-2026-56329: Capgo - Cross-Tenant Preview Namespace Collision via Non-Bijective Underscore Decoding
Fixed in 12.128.2 · Affected: Capgo before 12.128.2 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 25% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Capgo · Capgobefore 12.128.2
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-56329 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.