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The vulnerability of the system’s application programming interface for aggregating and storing logs of Loki, which allows a intruder to gain unauthorized access to protected information

🗓️ 20 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Loki log API path restriction flaw allows remote attacker to access protected data via crafted web requests.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21726
15 Apr 202619:24
attackerkb
AlpineLinux
CVE-2026-21726
15 Apr 202619:24
alpinelinux
Chainguard
CVE-2026-21726 vulnerabilities
18 Apr 202601:17
cgr
CNNVD
Grafana Loki 安全漏洞
15 Apr 202600:00
cnnvd
CVE
CVE-2026-21726
15 Apr 202619:24
cve
Cvelist
CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass
15 Apr 202619:24
cvelist
EUVD
EUVD-2026-23100
15 Apr 202621:30
euvd
Github Security Blog
Grafana Loki Path Traversal - CVE-2021-36156 Bypass
15 Apr 202621:30
github
Grafana
Grafana Loki Path Traversal - CVE-2021-36156 Bypass
26 Jan 202600:00
grafana
NVD
CVE-2026-21726
15 Apr 202620:16
nvd
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Vulners
Node
grafana_labslokiRange3.6.4

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20 Feb 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 25
CVSS 35.3
EPSS0.00409
2