VDB
CVE-2026-21435
CVE-2026-21435
PUBLISHED
CVSS 5.300000190734863 MEDIUM
webtransport-go: CloseWithError can block indefinitely
EPSS 0.02% · 5.9th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.02%
5.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | quic-go/webtransport-go | 0, 0 |
| quic-go | webtransport-go | *, < 0.10.0, 0 |
Timeline
- Feb 12, 2026 CVE Published
- Feb 12, 2026 PoC Published
- Feb 13, 2026 EPSS Score
- Feb 15, 2026 EPSS Score
- Feb 17, 2026 EPSS Score
- Feb 19, 2026 EPSS Score
- Feb 21, 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