CVE-2026-82582: Authorization bypass through user-controlled key in SHIRASAGI Project SHIRASAGI
CVE-2026-82582 is an authorization bypass vulnerability in the SHIRASAGI groupware software. It involves a user-controlled key that may allow an unauthorized attacker to retrieve files from the shared file feature. The vulnerability has a medium severity rating with a CVSS score of 4.3. No specific affected versions or patches have been disclosed yet.
AI Analysis
Technical Summary
This vulnerability in SHIRASAGI allows an attacker with limited privileges to bypass authorization controls by manipulating a user-controlled key. This flaw could enable unauthorized access to files shared within the groupware system. The CVSS 3.0 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality impact. No official remediation or patch information is currently available.
Potential Impact
An attacker could retrieve files from the shared file feature without proper authorization, potentially exposing sensitive information. The impact is limited to confidentiality loss; integrity and availability are not affected. The vulnerability requires low privileges and no user interaction, making exploitation feasible in certain scenarios.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the shared file feature and monitor for unusual access patterns related to user-controlled keys.
CVE-2026-82582: Authorization bypass through user-controlled key in SHIRASAGI Project SHIRASAGI
Description
CVE-2026-82582 is an authorization bypass vulnerability in the SHIRASAGI groupware software. It involves a user-controlled key that may allow an unauthorized attacker to retrieve files from the shared file feature. The vulnerability has a medium severity rating with a CVSS score of 4.3. No specific affected versions or patches have been disclosed yet.
CVSS v3.0
Score 4.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in SHIRASAGI allows an attacker with limited privileges to bypass authorization controls by manipulating a user-controlled key. This flaw could enable unauthorized access to files shared within the groupware system. The CVSS 3.0 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality impact. No official remediation or patch information is currently available.
Potential Impact
An attacker could retrieve files from the shared file feature without proper authorization, potentially exposing sensitive information. The impact is limited to confidentiality loss; integrity and availability are not affected. The vulnerability requires low privileges and no user interaction, making exploitation feasible in certain scenarios.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the shared file feature and monitor for unusual access patterns related to user-controlled keys.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-09-04T00:27:37.395Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa25045acd9273b49ac4be3
Added to database: 09/10/2026, 06:37:57 UTC
Last enriched: 09/10/2026, 06:53:04 UTC
Last updated: 09/10/2026, 07:52:00 UTC
Views: 4
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