PYSEC-2026-1711 Globus `identity_provider` restriction ignored when used with `allow_all` in JupyterHub 5.0

Impact JupyterHub 5.0, when used with GlobusOAuthenticator, could be configured to allow all users from a particular institution only. The configuration for this would look like: python Require users to be using the "foo.horse" identity provider, often an institution or university...

CVE-2026-41073

CVE-2026-41073 affects RT (open source issue/IT ticket tracker). Versions older than 5.0.10 and 6.0.0–6.0.2 write user-controlled data into spreadsheet exports without sanitization, allowing CSV/formula injection when opened in spreadsheet apps. The underlying issue is that exported outputs may b...

PT-2026-21330

OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. In versions 1.1.2-alpha and below, URL ingest allows overly permissive server-side fetch behavior and can be coerced into requesting unsafe targets. Potential access/probing of private/local...