# CVE-2026-26980: Ghost has a SQL Injection in its Content API

- Exploited (CISA KEV): no
- Published: 2026-02-20
- CVSS: 9.4 CRITICAL (v3.1)
- EPSS: 71.1% (99th percentile)
- CWE: CWE-89

Ghost is a Node.js content management system. Versions 3.24.0 through 6.19.0 allow unauthenticated attackers to perform arbitrary reads from the database. This issue has been fixed in version 6.19.1.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2026-06-15 | 115 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-09-16 | 208 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2026-06-15 · new · rule 439c4ef64b32447989bdf412b4c29bc6 · default Block
  > Ghost CMS - SQLi - CVE:CVE-2026-26980. Previous action: Log. New action: Block. This is a new detection.
  Source: https://developers.cloudflare.com/changelog/post/2026-06-15-waf-release/

### F5

- 2026-09-16 · new · rule 200102218
  > Added: signature 200102218 "Ghost CMS SQL Injection" (SQL-Injection, risk High), systems: Other Web Server. References: CVE-2026-26980.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: partial (2 of 4 requests blocked), template CVE-2026-26980, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (2 of 4 requests blocked), template CVE-2026-26980, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-26980 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-26980