{"action":"Upgrade restrictedpython to 8.3 or later.","affected":[{"fixed":"8.3","introduced":"0"}],"component":"restrictedpython","cve_ids":["CVE-2026-55830"],"ecosystem":"PyPI","epss":0.00401,"exploited":false,"fixed_versions":["8.3"],"ghsa_id":"GHSA-ffg3-p8fm-mjx2","id":"tcs_01M5KFF442DH558RCHR7JJ42PC","modified_at":"2026-09-10T12:25:49.189069232Z","published_at":"2026-08-28T22:51:35Z","references":["https://osv.dev/vulnerability/GHSA-ffg3-p8fm-mjx2","https://github.com/zopefoundation/RestrictedPython/security/advisories/GHSA-ffg3-p8fm-mjx2","https://nvd.nist.gov/vuln/detail/CVE-2026-55830","https://github.com/zopefoundation/RestrictedPython/commit/3737596ec9f28c34a073cc845bd2f4c0a80cb671","https://github.com/zopefoundation/RestrictedPython"],"severity":{"label":"high","score":8.3},"sources":[{"source":"osv","source_id":"GHSA-ffg3-p8fm-mjx2","url":"https://osv.dev/vulnerability/GHSA-ffg3-p8fm-mjx2"}],"summary":"RestrictedPython guard hooks can be shadowed via positional-only arguments"}