{"id":"CVE-2026-39087","details":"ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs.","aliases":["GHSA-pqhx-w72w-m393","GO-2026-5551"],"modified":"2026-07-08T08:13:38.090405605Z","published":"2026-04-23T00:00:00Z","database_specific":{"cwe_ids":["CWE-777"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39087.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://gist.github.com/MightyNawaf/5d41d6e8ead16e217f86b016002ecae5"},{"type":"WEB","url":"https://github.com/binwiederhier/ntfy/releases/tag/v2.22.0"},{"type":"WEB","url":"https://ntfy.sh"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39087.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39087"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/binwiederhier/ntfy","events":[{"introduced":"0"},{"fixed":"5ad2431dc38d2eb2512bf3d90a4b81ff89e57dc1"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"2.22.0"}]}}],"versions":["v2.21.0","v2.20.1","v2.20.0","v2.18.0","v2.17.0","v2.16.0","v2.15.0","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.0","v2.8.0","v2.7.0","v2.5.0","v2.4.0","v2.3.1","v2.3.0","v2.2.0","v2.1.2","v2.1.0","v1.29.1","v1.28.0","v1.27.2","v1.27.1","v1.26.0","v1.24.0","v1.23.0","v1.22.0","v1.21.2","v1.21.1","v1.21.0","v1.20.0","v1.18.0","v1.17.1","v1.17.0","v1.15.0","v1.14.1","v1.14.0","v1.13.0","v1.11.2","v1.11.1","v1.11.0","v1.10.0","v1.9.0","v1.8.0","v1.7.0","v1.6.1","v1.6.0","v1.5.3","v1.5.2","v1.5.0","v1.4.8","v1.4.6","v1.4.3","v1.4.2","v1.4.1","v1.4.0","v1.3.1","v1.3.0","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.1.2","v1.1.1","v1.1.0","v1.0.0","v0.0.5","v0.0.4","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-39087.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}]}