CVE-2026-63227Disclosure

LOWCVSS 9.9 · CRITICAL

Exploit discussion active in current signal (2 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

An unrestricted SCORM file upload vulnerability in Koollab LMS allowed an authenticated module designer to upload a SCORM package containing a PHP webshell to a publicly accessible directory and execute arbitrary code on the server.

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1.5/ 10 priority

Sources & remediation

Other references

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

Weakness type (CWE)

CWE-434

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

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

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Aretiq.AI@AretiqAI90d
Disclosure
ARETIQ Daily Vulnerability Bulletin — July 29, 2026 🔴 CRITICAL: CVE-2026-54735 (prebid/prebid-server) AAS 12.3 🔴 CRITICAL: CVE-2026-58161 (apache_software_foundation/apache_traffic_server) AAS 12.2 — PoC available 🔴 CRITICAL: CVE-2026-63227 (an_unrestricted_scorm_file_upload_vulnerability_in_koollab_lms_allowed_an_authenticated_module_designer_to_upload_a_scorm_package_containing_a_php_webshell_to_a_publicly_accessible_directory_and_execute_arbitrary_code_on_the_server./koollab_lms) AAS 12.1 28 vulnerabilities — CRITICAL: 3, HIGH: 25 Full bulletin: https://aretiq.ai/bulletins/2026-07-29/
Post summary
The bulletin announces three critical CVEs, noting a PoC for one, with no active exploitation or patch notes provided.
00040195
232 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds91d
Disclosure
CVE-2026-63227 Arbitrary Code Execution via Unrestricted SCORM File Upload in Koollab LMS https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-63227
Post summary
The text announces a new CVE (CVE‑2026‑63227) for Koollab LMS, describing an arbitrary code execution vulnerability due to unrestricted SCORM file upload.
0000083
4.1K followersView on X

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