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CVE-2026-21720

🗓️ 27 Jan 2026 09:07:04Reported by MendType 
mend
 mend
🔗 www.mend.io👁 2 Views

Uncached /avatar/:hash requests in Grafana cause goroutine leaks leading to DoS.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21720
27 Jan 202609:07
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-21720
27 Jan 202609:07
–alpinelinux
bdu_fstec
BDU FSTEC
Grafana Monitoring Resource Consumption DoS
25 Mar 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-21720 vulnerabilities
25 Feb 202613:17
–cgr
circl
Circl
CVE-2026-21720
27 Jan 202610:00
–circl
cnnvd
CNNVD
Grafana security vulnerabilities
27 Jan 202600:00
–cnnvd
cve
CVE
CVE-2026-21720
27 Jan 202609:07
–cve
cvelist
Cvelist
CVE-2026-21720 Unauthenticated DoS: avatar cache leaks goroutines when /avatar/:hash requests time out
27 Jan 202609:07
–cvelist
euvd
EUVD
EUVD-2026-4841
27 Jan 202609:07
–euvd
grafana
Grafana
Unauthenticated DoS in avatar cache in Grafana
27 Jan 202600:00
–grafana
Rows per page
Vulners
Node
OR
grafanagrafanaRange12.1.0–12.1.6
grafanagrafanaRange12.3.0–12.3.2
grafanagrafanaRange12.0.0–12.0.9
grafanagrafanaRange11.6.0–11.6.10
grafanagrafanaRange0.0.0-20260102071540-33a1c6043365–0.0.0-20260127211734-36e7d6fddba6
grafanagrafanaRange12.2.0–12.2.4

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08 Oct 2026 00:05Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
CVSS 48.7
EPSS0.00691
SSVC
2