| Package | Affected versions | Patched versions |
|---|---|---|
| calico | ≥ 3.22.0, < 3.22.4≥ 3.32.0, < 3.32.1≤ 22.4.0< 3.21.7< 3.31.6 | 3.22.43.32.13.21.73.31.6 |
Calico's Application Layer Policy (disabled by default), which enforces HTTP rules through Dikastes, fails to perform URL path normalization. As a result, HTTP requests using path-traversal segments, encoded slashes, or repeated slashes are not correctly evaluated by Prefix path rules. Dikastes authorizes the request under the permitted prefix while the downstream workload or a fronting proxy normalizes the path and serves the restricted endpoint. An attacker with network access and no special RBAC can potentially reach HTTP endpoints the policy was intended to restrict.
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