{"action":"Upgrade omero-web to 5.9.0 or later.","affected":[{"fixed":"5.9.0","introduced":"0"}],"component":"omero-web","cve_ids":["CVE-2021-21376"],"ecosystem":"PyPI","epss":0.01457,"exploited":false,"fixed_versions":["5.9.0"],"ghsa_id":"GHSA-gfp2-w5jm-955q","id":"tcs_01M5KFHGP0FRQWHM1H4WNVBTVH","modified_at":"2026-09-10T03:49:02.354810513Z","published_at":"2021-03-23T15:26:34Z","references":["https://osv.dev/vulnerability/GHSA-gfp2-w5jm-955q","https://github.com/ome/omero-web/security/advisories/GHSA-gfp2-w5jm-955q","https://nvd.nist.gov/vuln/detail/CVE-2021-21376","https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c","https://github.com/ome/omero-web","https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021","https://github.com/pypa/advisory-database/tree/main/vulns/omero-web/PYSEC-2021-31.yaml","https://pypi.org/project/omero-web","https://www.openmicroscopy.org/security/advisories/2021-SV1"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"GHSA-gfp2-w5jm-955q","url":"https://osv.dev/vulnerability/GHSA-gfp2-w5jm-955q"}],"summary":"OMERO.web exposes some unnecessary session information in the page"}