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CVE-2026-15565

🗓️ 11 Aug 2026 09:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 8 Views

Undertow WebSocket endpoint allows unauthenticated remote OOM DoS via standard handshake.

Related
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Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-15565
11 Aug 202608:49
attackerkb
circl
Circl
CVE-2026-15565
11 Aug 202609:30
circl
cve
CVE
CVE-2026-15565
11 Aug 202608:49
cve
cvelist
Cvelist
CVE-2026-15565 Undertow: undertow-websockets: undertow: pre-auth dos on websocket endpoint with @serverendpoint class with any @onmessage method
11 Aug 202608:49
cvelist
debiancve
Debian CVE
CVE-2026-15565
11 Aug 202608:49
debiancve
euvd
EUVD
EUVD-2026-55988
11 Aug 202608:49
euvd
nvd
NVD
CVE-2026-15565
11 Aug 202609:17
nvd
osv
OSV
DEBIAN-CVE-2026-15565
11 Aug 202609:17
osv
osv
OSV
UBUNTU-CVE-2026-15565
11 Aug 202609:17
osv
ptsecurity
Positive Technologies
PT-2026-70095
11 Aug 202600:00
ptsecurity
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04allundertow0undertow_0_all.deb
Ubuntu20.04allundertow0undertow_0_all.deb
Ubuntu22.04allundertow0undertow_0_all.deb
Ubuntu24.04allundertow0undertow_0_all.deb
Ubuntu26.04allundertow0undertow_0_all.deb
Ubuntu16.04allundertow0undertow_0_all.deb

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19 Aug 2026 12:16Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00476
SSVC
8