THREAT OPS › Threat 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
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
- CVE-2026-6540cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-6540