An issue in Ntfy ntfy.sh before v.2.21 allows a remote attacker to execute arbitrary code via the parseActions function

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Fixes

Solution

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Workaround

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History

Thu, 23 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 23 Apr 2026 15:45:00 +0000

Type Values Removed Values Added
Description An issue in Ntfy ntfy.sh before v.2.21 allows a remote attacker to execute arbitrary code via the parseActions function
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-23T18:58:16.833Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-39087

cve-icon Vulnrichment

Updated: 2026-04-23T18:58:08.343Z

cve-icon NVD

Status : Received

Published: 2026-04-23T16:16:25.063

Modified: 2026-04-23T19:17:28.233

Link: CVE-2026-39087

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses