{"action":"Upgrade matrix-synapse to 1.152.1 or later.","affected":[{"fixed":"1.152.1","introduced":"0"}],"component":"matrix-synapse","cve_ids":["CVE-2026-45076"],"ecosystem":"PyPI","epss":0.00369,"exploited":false,"fixed_versions":["1.152.1"],"ghsa_id":"GHSA-6qf2-7x63-mm6v","id":"tcs_01M5KF3YXMWQN906CY1ECA8ET1","modified_at":"2026-09-10T03:50:45.939755552Z","published_at":"2026-05-14T16:18:46Z","references":["https://osv.dev/vulnerability/GHSA-6qf2-7x63-mm6v","https://github.com/element-hq/synapse/security/advisories/GHSA-6qf2-7x63-mm6v","https://nvd.nist.gov/vuln/detail/CVE-2026-45076","https://github.com/element-hq/synapse","https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-194.yaml"],"severity":{"label":"low","score":2.7},"sources":[{"source":"osv","source_id":"GHSA-6qf2-7x63-mm6v","url":"https://osv.dev/vulnerability/GHSA-6qf2-7x63-mm6v"},{"source":"nvd","source_id":"CVE-2026-45076","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45076"}],"summary":"Synapse pagination Denial of Service"}