# CVE-2026-10520: Ivanti Sentry OS Command Injection Vulnerability

- Exploited (CISA KEV): yes, added 2026-06-11
- Published: 2026-06-09
- CVSS: 10 CRITICAL (v3.1)
- EPSS: 99.9% (100th percentile)
- CWE: CWE-78

An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote unauthenticated user to achieve root-level remote code execution

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2026-06-23 | 14 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-09-16 | 99 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2026-06-23 · new · rule 500a90789f874345b60b0de7242fdf83 · default Block
  > Ivanti Sentry - Command Injection - CVE:CVE-2026-10520. Previous action: Log. New action: Block. This is a new detection.
  Source: https://developers.cloudflare.com/changelog/post/2026-06-23-waf-release/

### F5

- 2026-09-16 · new · rule 200204082
  > Added: signature 200204082 "Ivanti Sentry Command Injection" (Server Side Code Injection, risk High), systems: Other Web Server. References: CVE-2026-10520, CVE-2026-10523.
  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: passed (0 of 1 requests blocked), template CVE-2026-10520, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2026-10520, 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-2026-10520 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-10520