A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.
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This low-severity CVE scores 3.7 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.
August 6, 2025
April 15, 2026
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/cloudflare/circl | — | 1.6.1 | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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CWE-1287