What is CVE-2026-82582?

CVE-2026-82582 is a medium-severity vulnerability in Shirasagi Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-10.

How severe is CVE-2026-82582?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Shirasagi Project

CVE-2026-82582

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Shirasagi Project

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

vultures@jpcert.or.jp
vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-82582?: CVE-2026-82582 is a medium-severity vulnerability in Shirasagi Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-10.
How severe is CVE-2026-82582?: Medium severity. CVSS v3 base score is 4.3 out of 10.