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        "assignerOrgId": "e6d453f4-3dae-4941-bcea-9af25f4e824d",
        "state": "PUBLISHED",
        "assignerShortName": "Tigera",
        "dateReserved": "2026-04-17T17:41:32.750Z",
        "datePublished": "2026-07-30T14:45:04.068Z",
        "dateUpdated": "2026-07-30T16:12:07.691Z"
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                "dateUpdated": "2026-07-30T14:45:04.068Z"
            },
            "title": "L7 policy bypass via unnormalized HTTP path matching",
            "datePublic": "2026-07-30T16:00:00.000Z",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
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                            "lang": "en",
                            "cweId": "CWE-23",
                            "description": "CWE-23 Relative Path Traversal",
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                    "vendor": "Tigera",
                    "product": "Calico",
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                            "version": "0",
                            "lessThan": "3.31.6",
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                    "lang": "en",
                    "value": "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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            ],
            "references": [
                {
                    "url": "https://github.com/projectcalico/calico/pull/12531",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/projectcalico/calico/pull/12532",
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                        "patch"
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                    "url": "https://github.com/projectcalico/calico/pull/12533",
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                {
                    "url": "https://www.tigera.io/security-bulletins/tta-2026-005/",
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                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
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                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "HIGH",
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                        "subAvailabilityImpact": "LOW",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
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                        "baseScore": 7.9,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L"
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                {
                    "lang": "en",
                    "value": "Behnam Shobiri",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Seth Malaki",
                    "type": "remediation developer"
                },
                {
                    "lang": "en",
                    "value": "Anthony Tam",
                    "type": "remediation reviewer"
                },
                {
                    "lang": "en",
                    "value": "Matt Dupre",
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                                "timestamp": "2026-07-30T16:12:00.537090Z",
                                "id": "CVE-2026-6540",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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