Lucene search
+L

CVE-2026-86049

🗓️ 17 Sep 2026 20:28:52Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views

Jupyter Server before 2.21.0 leaks tokens in 5xx logs, letting attackers use user permissions.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-86049 vulnerabilities
19 Sep 202608:54
–cgr
circl
Circl
CVE-2026-86049
17 Sep 202622:35
–circl
cvelist
Cvelist
CVE-2026-86049 Jupyter Server: 5xx request logging leaks token-bearing Referer header values
17 Sep 202620:28
–cvelist
debiancve
Debian CVE
CVE-2026-86049
17 Sep 202620:28
–debiancve
euvd
EUVD
EUVD-2026-82436
17 Sep 202620:28
–euvd
github
Github Security Blog
Jupyter Server: 5xx request logging leaks token-bearing Referer header values
17 Sep 202620:28
–github
nvd
NVD
CVE-2026-86049
17 Sep 202621:17
–nvd
osv
OSV
CGA-C88H-Q325-2J7H
18 Sep 202613:48
–osv
osv
OSV
CGA-M958-RVX5-6MWM
18 Sep 202612:07
–osv
osv
OSV
CGA-XVF9-RXGG-4PR3
18 Sep 202613:22
–osv
Rows per page
Vulners
Node
[
  {
    "vendor": "jupyter-server",
    "product": "jupyter_server",
    "versions": [
      {
        "version": "< 2.21.0",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

24 Sep 2026 21:19Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.1
EPSS0.00416
SSVC
53