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THREAT OPSThreat News › [NVD] CVE-2026-6540 (HIGH 7.5) — 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

[NVD] CVE-2026-6540 (HIGH 7.5) — 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

mednvdPublished 2026-07-30

CVE-2026-6540 CVSS: 7.5 HIGH Published: 2026-07-30T15:16:37.533

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 permit

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-6540