Medium severity · published Sep 10, 2026
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…
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
SHIRASAGI · SHIRASAGI Project
through v1.20.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82582
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82582
jvn.jp
https://jvn.jp/en/jp/JVN37476837/
www.ss-proj.org
https://www.ss-proj.org/support/1710.html
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