CVE-2026-66415

· HIGHDeferred

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CVSS v3.1

8.5

CVSS v4.0

8.4

EPSS

0.28%

Published

Jul 30, 2026

Modified

Jul 31, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to file_get_contents() in the Blueprints::import() method without path validation. Attackers can submit crafted filenames containing URL wrappers or path traversal sequences through the JSON-RPC API endpoint to access cloud metadata services or read arbitrary files from the server filesystem.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weaknesses (CWE)

CWE-918

References (4)

https://github.com/Leantime/leantime

https://github.com/Leantime/leantime/pull/3656

https://github.com/javokhir-sec/CVE-PoC-Hub/security/advisories/GHSA-gphg-6h4g-mg22

https://www.vulncheck.com/advisories/leantime-server-side-request-forgery-and-local-file-inclusion-in-blueprints-import

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