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

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://ntfy.com cve-icon cve-icon
http://ntfysh.com cve-icon cve-icon
https://gist.github.com/MightyNawaf/5d41d6e8ead16e217f86b016002ecae5 cve-icon cve-icon
History

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-23T14:45:29.475Z

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

Link: CVE-2026-39087

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-39087

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

No weakness.