WID-SEC-W-2026-0242

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Grafana Loki: Schwachstelle ermöglicht Offenlegung von Informationen

view advisory published 2026-01-27

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Grafana Loki ausnutzen, um Informationen offenzulegen.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21726US——
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 end…
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references

External citations — patches, advisories, analysis.

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