Description
Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.
Scores
CVSS v3
6.5
EPSS
0.0019
EPSS Percentile
40.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-706
Status
published
Products (2)
istio/istio
< 1.8.6
istio.io/istio
0 - 1.8.6Go
Published
May 27, 2021
Tracked Since
Feb 18, 2026