Cloudflare Security Advisories — June 2026 — Cloudflare Security Advisories

Cloudflare Security Advisories · June 2026 — Cloudflare Security Advisories

3 advisories 5 CVEs 3 EXPLOITED

Cloudflare CNA advisories (GHSA, blog, changelog) for 2026-06. Mirrored into Vulnetix VDB.

Every advisory below is enriched with the Vulnetix VDB exploit-intelligence chip (hover a CVE ID in the interactive page to see CVSS, EPSS, KEV status, and PoC maturity). 3 are already weaponised in the wild — see the Exploited section.

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Advisories

CFADVISORY-CL-application-security-waf-waf-release-2026-06-23

ChangelogExploited2026-06-23

WAF - WAF Release - 2026-06-23

CVEs:CVE-2026-10520

Upstream advisory

CFADVISORY-CL-application-security-waf-waf-release-2026-06-15

ChangelogExploited2026-06-15

WAF - WAF Release - 2026-06-15

CVEs:CVE-2026-26980

Upstream advisory

CFADVISORY-CL-application-security-waf-waf-release-2026-06-09

ChangelogExploited2026-06-09

WAF - WAF Release - 2026-06-09

CVEs:CVE-2026-40175 CVE-2026-45247 CVE-2026-9082

Upstream advisory

Need live exploit intelligence?

Every CVE above is indexed in the Vulnetix VDB with KEV, EPSS, and PoC maturity. The interactive page surfaces that on hover.

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