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GHSA-8MXQ-7XR7-2FXJ LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)

🗓️ 03 Apr 2026 21:42:35Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

LTI JupyterHub authenticator stores nonces and can exhaust memory with requests; upgrade 1.6.3.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-34052
3 Apr 202622:04
–attackerkb
Chainguard		CVE-2026-34052 vulnerabilities
6 Apr 202619:32
–cgr
CNNVD		LTI JupyterHub Authenticator 安全漏洞
3 Apr 202600:00
–cnnvd
CVE		CVE-2026-34052
3 Apr 202622:04
–cve
Cvelist		CVE-2026-34052 LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)
3 Apr 202622:04
–cvelist
EUVD		EUVD-2026-18893
3 Apr 202621:42
–euvd
Github Security Blog		LTI JupyterHub Authenticator: Unbounded Memory Growth via Nonce Storage (Denial of Service)
3 Apr 202621:42
–github
NVD		CVE-2026-34052
3 Apr 202623:17
–nvd
OSV		CGA-CR29-6366-HC95
6 Apr 202616:30
–osv
OSV		CLEANSTART-2026-AN27706 Security fixes for CVE-2026-22815, CVE-2026-30922, CVE-2026-31958, CVE-2026-32597, CVE-2026-33175, CVE-2026-34052, CVE-2026-34073, CVE-2026-34513, CVE-2026-34514, CVE-2026-34515, CVE-2026-34516, CVE-2026-34517, CVE-2026-34518, CVE-2026-34519, CVE-2026-34520, CVE-2026-34525, CVE-2026-44431, CVE-2026-44432, ghsa-752w-5fwx-jx9f, ghsa-78cv-mqj4-43f7, ghsa-gc5v-m9x4-r6x2, ghsa-jr27-m4p2-rc6r, ghsa-m959-cc7f-wv43, ghsa-qjxf-f2mg-c6mc applied in versions: 4.3.2-r0, 4.3.2-r1, 4.3.2-r2, 4.3.2-r3
18 May 202613:26
–osv
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13 Jul 2026 16:43Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.9
EPSS0.00329
JupyterHub authenticatorNonce storageMemory exhaustionDenial of serviceUpgrade 1.6.3
3