Dashboard / CVE-2026-123655

CVE-2026-123655

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2026-11-06 Modified: 2026-11-12 First seen: 2026-11-06 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: None

Description

A flaw was found in Moodle. Insufficient access control checks on H5P content files allow unauthenticated remote attackers to view restricted materials, including content stored in the system context and files belonging to hidden or unavailable course modules. This issue results in unauthorized information disclosure of protected content.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
— — 4.5.0 < 4.5.15
— — 5.0.0 < 5.0.11
— — 5.1.0 < 5.1.8
— — 5.2.0 < 5.2.4
— — 4.5.0 < 4.5.15
— — 5.0.0 < 5.0.11
— — 5.1.0 < 5.1.8
— — 5.2.0 < 5.2.4

References & Advisories (4)

https://bugzilla.redhat.com/show_bug.cgi?id=2568053
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.62%
Raw Score 0.006230
Percentile 50.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00623
2026-11-12
0.00623
2026-11-10
0.00623
2026-11-09
0.00623
2026-11-08
0.00623
2026-11-07
0.00623

Intelligence Sources

mitre ref →
nvd ref →

External Links