Circl Vulnerabilities

Security vulnerability tracking for Cloudflare Circl

Last updated: Feb 24, 2026
Total CVEs

1

Critical

0

With Exploits

1

Last 30 Days

0

Vulnerability Timeline

1 vulnerabilities discovered over time for Circl

Severity Distribution

Critical0
0%
High0
0%
Medium0
0%
Low1
100%
DescriptionVendor / ProductExploit Status
CVE-2026-12292.9

This vulnerability allows an attacker to exploit a flaw in the CombinedMult function of Cloudflare's CIRCL library, potentially leading to incorrect calculations with certain inputs. However, it primarily affects specific mathematical operations and does not impact key exchange or signing processes, making it less critical for most users.

cloudflarecircl
Exploit Available
about 1 month agoFeb 24, 2026

About Cloudflare Circl Security

This page provides comprehensive security vulnerability tracking for Cloudflare Circl. Our database includes all CVEs affecting this product, updated in real-time from official sources.

Each vulnerability listing includes detailed CVSS severity analysis, exploit availability status, AI-generated explanations, and direct links to official security patches and vendor advisories.

Security Recommendations

  • • Always keep Circl updated to the latest version
  • • Subscribe to security advisories from Cloudflare
  • • Monitor this page for new vulnerabilities affecting your version
  • • Prioritize patching critical and high severity issues immediately