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CVE-2026-21720

🗓️ 27 Jan 2026 09:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 20 Views

CVE-2026-21720: Uncached avatar refresh spawns goroutines; 3s timeout blocks, Grafana may crash.

Related
Packages
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
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04allgrafana0grafana_0_all.deb

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28 Jan 2026 10:39Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00701
SSVC
20