SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-24773

Prior to version 4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user identifiers.

HIGH 7.5EPSS 0.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user identifiers. This issue has been patched in version 4.2.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.41% probability · 35th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-639
Affected
gunet/open eclass platform
Source
security-advisories@github.com
EPSS trend
0%3%5%26 October 2026: 0.41%26 October 202626 October 2026

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.