CVE-2026-73626
CVE-2026-73626: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityLow0.0
Low [CVE-2026-73626] Extension allowlist bypass allows unauthorized installations
CVE-2026-73626Source published Source updated
JupyterLab versions >=4.6.0,<=4.6.1 and <=4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install(). A missing 'await' caused the is_install_allowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install(). The stock JupyterLab HTTP API and Extension Manager UI are not affected, as they perform a separate, correctly awaited check. The issue affects only deployments where a custom extension or downstream integration imports PyPIExtensionManager and calls install() directly with a package name influenced by untrusted input, an allowlist/blocklist is configured, the PyPI Extension Manager is enabled, and kernels and terminals are disabled or delegated to remote hosts. This vulnerability allows direct…
- Affected products in this advisory
- Migration Toolkit for Applications 8
- Red Hat OpenShift AI (RHOAI)
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 4.6.2
- 4.5.10
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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