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Solution
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Workaround
No workaround given by the vendor.
Mon, 05 Oct 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* |
Mon, 28 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 21 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | No description is available for this CVE. | Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's URL normalization does not recognize dot and dotdot path segments when they carry semicolon parameters. A request such as /user/..;foo=bar/admin is therefore not canonicalized to /admin even when path normalization is enabled. If an upstream interprets the segment according to RFC 3986 while Envoy applies routing or RBAC to the uncollapsed path, a remote client can cause path confusion and bypass path-based security policy. The relevant scope boundary is that the security consequence depends on a downstream/upstream path interpretation mismatch or a path-based Envoy decision. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1. |
| Title | envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters | Envoy: Path normalization does not handle dot and dotdot segments with parameters |
| Weaknesses | CWE-647 | |
| References |
|
|
Wed, 02 Sep 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Envoyproxy
Envoyproxy envoy |
|
| Vendors & Products |
Envoyproxy
Envoyproxy envoy |
Tue, 01 Sep 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | No description is available for this CVE. | |
| Title | envoy: envoy: path normalization bypass via dot/dot-dot segments with parameters | |
| Weaknesses | CWE-22 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-09-28T20:41:32.313Z
Reserved: 2026-08-12T20:53:46.380Z
Link: CVE-2026-73551
Updated: 2026-09-28T20:41:28.399Z
Status : Analyzed
Published: 2026-09-21T21:17:09.473
Modified: 2026-10-05T14:06:32.380
Link: CVE-2026-73551
OpenCVE Enrichment
Updated: 2026-09-21T22:15:17Z