{"action":"Upgrade ujson to 5.4.0 or later.","affected":[{"fixed":"5.4.0","introduced":"0"}],"component":"ujson","cve_ids":["CVE-2022-31116"],"ecosystem":"PyPI","epss":0.02545,"exploited":false,"fixed_versions":["5.4.0"],"ghsa_id":"GHSA-wpqr-jcpx-745r","id":"tcs_01M5KGQAZB8580SEBZK46PAECY","modified_at":"2026-07-07T11:46:02.505267781Z","published_at":"2026-07-06T08:03:31.058927Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1057","https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r","https://nvd.nist.gov/vuln/detail/CVE-2022-31116","https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687","https://github.com/ultrajson/ultrajson","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NAU5N4A7EUK2AMUCOLYDD5ARXAJYZBD2","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPPU5FZP3LCTXYORFH7NHUMYA5X66IA7","https://pypi.org/project/ujson","https://github.com/advisories/GHSA-wpqr-jcpx-745r"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-1057","url":"https://osv.dev/vulnerability/PYSEC-2026-1057"}],"summary":"Incorrect handling of invalid surrogate pair characters"}