CVE-2026-56243
HIGHCapgo - Hashed API Key Enforcement Bypass via PostgREST/RLS Plane
Title source: cnaDescription
Capgo before 12.128.2 contains a security control bypass vulnerability where the PostgREST/RLS plane accepts plaintext API keys through the capgkey header despite enforce_hashed_api_keys being enabled. Attackers can bypass org-level hashed-key enforcement by sending plaintext API keys directly to the PostgREST/RLS plane to access protected resources.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-6g74-8cpq-g2c8)
https://github.com/Cap-go/capgo/security/advisories/GHSA-6g74-8cpq-g2c8
Third Party Advisory third-party-advisory
VulnCheck Advisory: Capgo - Hashed API Key Enforcement Bypass via PostgREST/RLS Plane
https://www.vulncheck.com/advisories/capgo-hashed-api-key-enforcement-bypass-via-postgrest-rls-plane
Scores
CVSS v3
8.1
EPSS
0.0027
EPSS Percentile
19.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-288
Status
published
Products (2)
Capgo/Capgo
< 12.128.2
Capgo/Capgo
12.128.2
Published
Jun 23, 2026
Tracked Since
Jun 23, 2026