SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-26595

Denial-of-service (DoS) vulnerability in Message of Cybozu Garoon 4.10.0 to 5.9.2 allows a remote authenticated attacker to cause a denial of service condition.

MEDIUM 6.5EPSS 0.53%

Does this matter?

Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.

Description

Denial-of-service (DoS) vulnerability in Message of Cybozu Garoon 4.10.0 to 5.9.2 allows a remote authenticated attacker to cause a denial of service condition.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.53% probability · 43th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-400
Affected
cybozu/garoon
Source
vultures@jpcert.or.jp
EPSS trend
0%3%5%4 October 2026: 0.53%4 October 20264 October 2026

EPSS 0.5% since 4 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.