CVE WatchOct 14, 2026

CVE-2026-60008

Gitea's Jupyter notebook renderer inserts the notebook's language_info.name metadata into a CSS class attribute while disabling sanitization

CVSS

3.5

Low

EPSS

0.4%

p30

KEV

—

Exploit Today

0-100

Published: Oct 14, 2026 · Last modified: Oct 14, 2026 · CWE-79 · CWE-1021

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-10-152026-10-19

Technical description

Gitea's Jupyter notebook renderer inserts the notebook's language_info.name metadata into a CSS class attribute while disabling sanitization and rendering directly in the main document without an iframe sandbox. A malicious repository notebook can supply multiple CSS classes that create a viewport-covering overlay and intercept clicks when another user views it. The reported impact is UI redress; script execution was not demonstrated.

Official references

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