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CVE-2026-56234

MEDIUM Exploitation: PoC
5.3
CVSS 3.1
Description
Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validate_password_compliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate limiting, enabling attackers to perform password spraying and credential stuffing attacks to compromise user accounts.

Metadata

CVE ID
CVE-2026-56234
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-19 21:50 UTC
Published
2026-06-23 12:12 UTC
Last updated
2026-06-23 13:57 UTC
Primary CWE
CWE-307
Improper Restriction of Excessive Authentication Attempts
Vendor / Product
Capgo / Capgo
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Capgo Capgo — 0 < 12.128.2, 12.128.2
Weakness (CWE)
CWESourceDescription
CWE-307 cna Improper Restriction of Excessive Authentication Attempts
CVSS scores (2)
ScoreSeverityVersionSourceVector
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References (2)
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