CVE-2026-56382
Authenticated admin RCE in Craft CMS 5.5.0–5.9.13; fixed in 5.9.14.
Is CVE-2026-56382 being exploited?
Not confirmed. CVE-2026-56382 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 0.89% probability of exploitation in the next 30 days.
How severe is CVE-2026-56382?
CVE-2026-56382 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-2026-56382?
Yes. A fix has been recorded for CVE-2026-56382. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-56382 affect?
CVE-2026-56382 affects Craft CMS craftcms/cms (versions 5.5.0–5.9.13). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-56382?
Upgrade to 5.9.14 or newer.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated admin can trigger RCE via fieldLayoutConfig; may exfiltrate env vars and CRAFT_SECURITY_KEY.
Immediate action required
- affected>= 5.5.0 and < 5.9.14
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.