CVE-2026-56325 | THREATINT

Description

Capgo before 12.128.2 uses ILIKE pattern matching instead of exact matching for app_id lookup in the preview subdomain resolver, allowing underscore characters in app_id to act as SQL wildcards. Attackers can create apps with app_ids differing by one character at underscore positions to cause unintended pattern matches, breaking preview functionality for legitimate apps or causing app-id confusion.

PUBLISHED Reserved 2026-06-20 | Published 2026-06-20 | Updated 2026-06-22 | Assigner VulnCheck

LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

LOW: 3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Problem types

Improper Input Validation

Product status

Default status

unaffected

Any version before 12.128.2

affected

12.128.2 (semver)

unaffected

Credits

Judel777 reporter

References

github.com/.../capgo/security/advisories/GHSA-cw88-ch2j-8vqj exploit

github.com/.../capgo/security/advisories/GHSA-cw88-ch2j-8vqj (GHSA Advisory GHSA-cw88-ch2j-8vqj) vendor-advisory

www.vulncheck.com/...ke-wildcard-in-preview-subdomain-lookup (VulnCheck Advisory: Capgo - App ID Confusion via ILIKE Wildcard in Preview Subdomain Lookup) third-party-advisory

cve.org (CVE-2026-56325)

nvd.nist.gov (CVE-2026-56325)

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