CVE-2026-56243
Capgo pre-12.128.2 bypasses hashed API key enforcement via capgkey header.
Is CVE-2026-56243 being exploited?
Not confirmed. CVE-2026-56243 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-56243?
CVE-2026-56243 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-56243?
Yes. A fix has been recorded for CVE-2026-56243. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-56243 affect?
CVE-2026-56243 affects Capgo Platform pre-12.128.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-56243?
Apply patch to 12.128.2; verify key enforcement; rotate API keys.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass of org-level hashed API keys allows unauthorized access to protected resources via Capgo's PostgREST/RLS plane.
Immediate action required
- affected< 12.128.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.