VDB
CVE-2026-26994
CVE-2026-26994
PUBLISHED
CVSS 6.5 MEDIUM
uTLS ServerHellos are accepted without checking TLS 1.3 downgrade canaries
EPSS 0.02% · 3.8th percentile
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score
0.02%
3.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| refraction-networking | utls | < 1.7.0, 0, 0 |
| github.com | refraction-networking/utls | 0, 0 |
Timeline
- Apr 23, 2025 CVE Published
- Feb 20, 2026 CVE Updated
- Feb 20, 2026 EPSS Score
- Feb 22, 2026 EPSS Score
- Feb 23, 2026 EPSS Score
- Feb 25, 2026 EPSS Score
- Feb 27, 2026 EPSS Score
- Feb 28, 2026 EPSS Score
- Mar 2, 2026 EPSS Score
- Mar 4, 2026 EPSS Score
- Mar 5, 2026 EPSS Score
- Mar 7, 2026 EPSS Score
References
- https://github.com/refraction-networking/utls/security/advisories/GHSA-pmc3-p9hx-jq96 url
- https://github.com/refraction-networking/utls/issues/181 url
- https://github.com/refraction-networking/utls/pull/337 url
- https://github.com/refraction-networking/utls/commit/f8892761e2a4d29054264651d3a86fda83bc83f9 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-26994 advisory
- https://github.com/refraction-networking/utls package