CVE-2026-66415PoC

LOWCVSS 8.4 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD 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.

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-918

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

PoC

1100.0%

Referenced assets1 URL

By indicator

https://github.com/Leantime/leantime

Full discourse1 post

MalwareObserver@MalwareObserver91d
PoC
🐛 VULNERABILITIES CVE Notify: 🚨 [CVE-2026-66415](https://github.com/Leantime/leantime) Leantime 3.6.2 contains a server-side requ... https://github.com/Leantime/leantime #Vulnerability #CVE #ZeroDay
Post summary
The tweet shares a GitHub link that appears to host a proof‑of‑concept for CVE‑2026‑66415 in Leantime 3.6.2, but offers no evidence of active exploitation, patches, or detailed technical specifics.
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17 followersView on X

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