ZeroHour

CVE-2026-21726

CVSS 3.1
5.3 medium
EPSS
<1%p34
Published
()
Modified
Description

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/{namespace} Thanks to Prasanth Sundararajan for reporting this vulnerability.

Vendors
grafana
Products
loki
Weakness
CWE-22
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

In the news

No ingested article mentions this CVE yet.