How severe is CVE-2023-51277?

CVE-2023-51277 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51277?

CVE-2023-51277 affects Tinowagner Jupyter Notebook Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51277?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-51277 have an EU (EUVD) identifier?

Yes. CVE-2023-51277 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55999.

When was CVE-2023-51277 published?

CVE-2023-51277 was published on 2024-01-05 and last updated on 2026-06-17.

CVE-2023-51277

CVE-2023-51277 is a critical-severity vulnerability in Tinowagner Jupyter Notebook Viewer with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55999
Affected product: Tinowagner Jupyter Notebook Viewer
Published: 2024-01-05
Last modified: 2026-06-17

Description

nbviewer-app (aka Jupyter Notebook Viewer) before 0.1.6 has the get-task-allow entitlement for release builds.

Frequently asked questions

What is CVE-2023-51277?: nbviewer-app (aka Jupyter Notebook Viewer) before 0.1.6 has the get-task-allow entitlement for release builds.
How severe is CVE-2023-51277?: CVE-2023-51277 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51277?: CVE-2023-51277 affects Tinowagner Jupyter Notebook Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-51277 have an EU (EUVD) identifier?: Yes. CVE-2023-51277 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55999.
When was CVE-2023-51277 published?: CVE-2023-51277 was published on 2024-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tinowagner:jupyter_notebook_viewer:*:*:*:*:*:macos:*:*