SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-39730

Missing Authorization vulnerability in Marcin Wise Chat wise-chat allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wise Chat: from n/a through 3.4.3.

HIGH 7.1EPSS 0.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Missing Authorization vulnerability in Marcin Wise Chat wise-chat allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wise Chat: from n/a through 3.4.3.

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS
0.31% probability · 23th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-862
Source
audit@patchstack.com
EPSS trend
0%3%5%6 October 2026: 0.31%26 October 2026: 0.31%6 October 202626 October 2026

EPSS moved from 0.3% on 6 October 2026 to 0.3% on 26 October 2026.

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