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Hh3js
Products
| Product | CVEs | Exploited | Latest |
| h3 | 10 | – | Sep 6, 2026 |
| srvx | 1 | – | Mar 26, 2026 |
Exploited and recent CVEs
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CVE-2026-86253
Medium 5.9
h3 before 1.15.6 Path Traversal via Percent-Encoded Dot Segments
0.6%
-
CVE-2026-86252
Medium 5.3
h3 before 1.15.9 SSE Event Injection via Carriage Return
0.4%
-
CVE-2026-86251
Medium 5.9
h3 before 1.15.9 Path Traversal via Double Decoding
0.4%
-
CVE-2026-86250
High 7.5
h3 before 2.0.1-rc.18 Denial of Service via Unbounded Chunked Cookie
0.5%
-
CVE-2026-86205
Medium 5.4
h3 before 2.0.1-rc.18 Open Redirect via redirectBack()
0.3%
-
CVE-2026-33732
Medium 4.8
srvx is vulnerable to middleware bypass via absolute URI in request line
0.3%
-
CVE-2026-33490
Low 3.7
h3: Missing Path Segment Boundary Check in `mount()` Causes Middleware Execution on Unrelated Prefix-Matching Routes
0.2%
-
CVE-2026-33131
High 7.4
h3 has a middleware bypass with one gadget
0.4%
-
CVE-2026-33129
Medium 5.9
h3 has an observable timing discrepancy in basic auth utils
0.3%
-
CVE-2026-33128
High 7.5
h3 has a Server-Sent Events Injection via Unsanitized Newlines in Event Stream Fields
0.6%
-
CVE-2026-23527
High 8.9
h3 v1 has Request Smuggling (TE.TE) issue
0.6%